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Combined edition | Please keep for future seasons Guide to recording spring and autumn events in Nature’s Calendar BBC weather forecaster, Isobel Lang, says: “Becoming a recorder of Nature’s Calendar is easy and fun. You will be contributing to over 300 years of observations and helping scientists and conservationists to understand the impact of climate change on our favourite plants and animals. Every observation logged will enable the Woodland Trust and the UK Phenology Network to make this exciting project even more significant. I’m thrilled to be supporting this unique undertaking.” Many thousands of people across the UK are now recording nature’s calendar as part of the UK Phenology Network, to see what effect climate change is having on our woods and our wildlife. You don’t have to be an expert to take part, you can record as much or as little information as you are able.We will be pleased to receive forms with only one or two records. Our spring and autumn guides to recording events have proved so popular that we have combined them, to make a special edition for you to keep from season to season. New recorders will receive a free copy, but a small charge will be made for additional copies, available from the Woodland Trust – see contact details on the back page. An interactive recording form where you can enter your records and find species information, illustrations, and resources is also available online at www.naturedetectives.org.uk for those aged 4-18 years, their teachers and leaders and at www.phenology.org.uk for older recorders. UK Phenology Network Introduction How to use this guide It should be used in conjunction with the online or paper recording form. An explanation of the terms used on the recording form can be found in the first pages of this guide – spring first then autumn. Species are then listed alphabetically and spring and autumn identification information is given as appropriate. When to record If you are finding it difficult to decide when to record, wait until the event is occurring in three plants of the same species in close proximity to each other. Record the trendsetters rather than the extraordinary. If you are not 100 per cent sure of your identification of a particular species /event, or it may be more than two or three days since it could first have been observed then please DO NOT RECORD. If in doubt, leave it out! Key to symbols used in the Guide: Record this species or event in spring Record this species or event in autumn Description of the species, including colour, bark and any other special features which might help to identify it. Where you are most likely to find that particular species. When you should be looking out for particular events related to that species.The months given are intended as a guide and may vary depending on where you are in the UK and the weather. Volunteer safety By donating your skills and time you are enabling the Woodland Trust and the UKPN to achieve so much more than it would otherwise be able to.We aim to provide, so far as is reasonably practicable, safe and healthy conditions for staff and volunteers whilst carrying out their duties, by anticipating risks and removing or avoiding hazards.You should be aware of the need for taking care whilst carrying out activities on behalf of the Trust, no matter how small the task is.The majority of you will be recording whilst you go about your daily lives and so need little reminder from us that common sense is the order of the day. However, when you are out and about you should be aware of the risks posed by extreme weather conditions, and should ensure your personal safety by letting someone responsible know where you are going and when you expect to be back. For more information visit www.woodland-trust.org.uk/getinvolved 2 If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Spring recording Guide to terms used in the spring Budburst: The colour of the new green leaves is just visible between the scales of the swollen/elongated bud. First leaf: First leaf fully open, and recognisably the shape, if not the full size of the adult leaf. For compound leaves like ash for example the leaf must be erect but the pinnate leaflets don’t yet need to be. For larch first leaf is the start of needle forming.At the base the needles are still joined in the bud cover but the tops of the needles have separated. www.moorhen.demon.co.uk Use mature trees (30 years old or more), as young trees show different responses. Even trees of the same species, close to each other can behave very differently. First flower: Please record this when the petals have opened sufficiently for you to see inside the flower. Look for a trend setting flowering, not an abnormally early one. Some flowers are in clusters (called an inflorescence), such as lilac and horse chestnut, please record these when the petals of the first individual flower in the cluster are open sufficiently for you to see inside the flower. Catkins are tight clusters of tiny flowers found on many tree species including hazel, silver birch and oak. Please record first flowering when the catkins release their powdery pollen.You will notice this on a breezy If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk 3 Spring recording day, or by lightly tapping the branch with your finger. Grass flowers are also very small, with numerous flowers in the clusters. Please record first flower when the anthers (a tiny club-like structure), is dangling from one of the tiny flowers.A magnifying glass may be very helpful with grass flowers. Roy Battell Snowdrop: avoid cultivated snowdrops (often planted in gardens), and record wild-type plants (with green tips on the interior petals and one flower per stem) found in the countryside in damp woods, stream sides and meadows as well as shady gardens. Blackthorn: please do not record cherry-plum (Prunus cerasifera), which looks similar to blackthorn in spring, but has different fruit in the autumn and does not have thorns. Instead look for native blackthorn in hedgerows and woodland, it is very thorny and commonly forms dense thickets. First seen: The first time you see a live, active individual of a species. 3rd date: The date by which you have seen three separate live individuals (this may be all at once). However, if you can’t tell them apart, assume those seen on three separate days are different. All year: As our climate changes some events are being observed all year round, e.g. blackcap and chiffchaff overwintering in some areas, and song thrush singing all year round. Instead of a first seen date you will need to tick the ‘All year’ box. Last seen: The date on which you last see the bird before it leaves for more northerly climes. As the departure time gets closer (see guide entry) keep a note of the dates when you do see the birds. Do this until you no longer see them and then you have your ‘last seen’ date. 4 If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Spring recording Nest building: When you first see adult birds gathering nesting materials in their beaks. Feeding young: Look for adult birds with beaks full of insects, and numerous daily movements to and from nest sites. Young birds seen: Look for birds that may still have downy heads and yellow edges to their beaks.The adults will probably still be feeding them and to stimulate this, they may ruffle their feathers and shake their wings. Cuckoo: The cuckoo is in decline. If you usually hear the cuckoo but didn’t hear it this year, please tick the box. Early events: If you recorded any spring events before the start of the year then please enter the date on which you observed them. Tadpoles (frog): Please only record frog tadpoles where you have already recorded frog spawn. Spawn is easy to tell apart- frog spawn is a mass of eggs; toad spawn is a string of eggs. Returning newts: Any newts.They hibernate in rough areas of the garden and so record when you first notice them in the pond again, or moving around the garden. Date lawn first cut: The date on which you give your lawn its first cut of the season.This may relate to ground conditions rather than the length of the grass; don’t worry, just record the first date you were able to cut it. If you mow all winter then please tick the ‘All year’ box. For more help see illustrations on following pages. If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk 5 Colin Varndell www.butterfly-crazy.fsnet.co.uk Butterfly identification: The small white, green-veined white and female orange tip butterflies can appear very similar in flight.Wait until the butterfly has come to rest before attempting to identify – see the special butterfly guidance information on pages 38-41 for more information. If in doubt, please leave it out! Autumn recording How to record tree phenology Use mature trees (30 years old or more), as young trees show different responses. Even trees of the same species, close to each other can behave very differently. If you are finding it difficult to decide when to record, wait until the event is occurring in three trees of the same species in close proximity to each other. Record the trendsetters rather than the extraordinary. Leaves may fall off before you have recorded any significant colour change.This may be the species or the weather conditions. Don’t worry! Just record when the tree is bare. The effects of drought: In dry summers some species such as beech and birch may show the effects of drought, which can be confused with the onset of autumn.These include early colour changes and shrivelling and falling of leaves. Record the date you see first tint whatever the cause. Guide to terms used in the autumn First tint: when several leaves on the same tree or branch have started to change colour – first indication of autumn colouring. Full tint: when all the leaves on a tree have changed colour – full autumn colouring. Leaf fall: Beginning of autumn leaf fall, some bare twigs or branches. Bare: Completely bare except for shrivelled leaves. 6 If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Autumn recording Fruit ripe: Soft to touch, full coloured or falling naturally (oak and horse chestnut) – see illustrations for more help. For elder, blackthorn and blackberry this means very dark berries. For hawthorn (right), rowan, holly and dog rose this means red berries.They will also feel softer. Birds eating the fruit should not always be taken as an indication of ripeness. Fruiting score (if in doubt, please leave it out!): Should be recorded from untrimmed bushes or trees.This refers to the amount of fruit (or seeds) on a tree or shrub: 1 = no fruit, 2 = meagre, 3 = moderate, 4 = good crop, 5 = exceptional First seen: The first time you see a live, active individual of a species. 3rd bird: The date by which you have seen three separate live individuals (this may be all at once). However, if you can’t tell them apart, assume those seen on three separate days are different. If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Margaret Barton This is a subjective assessment of the fruit crop, similar to when people say it is “a good year” for blackberries, or that there aren’t many holly berries this year. Please don’t record this until you feel confident to do so – if you are not used to looking it may take a number of seasons to “get your eye in”. If so, don’t worry, just record when you do feel confident. It is not strictly phenological, however it is an indicator of winter food availability for birds and mammals, as well as the seed source available for natural regeneration of trees and shrubs, and may be linked to climate variables in preceding seasons. 7 Autumn recording Last seen: The date on which you last see the bird before it leaves for warmer climes. As the departure time gets closer (see guide entry) keep a note of the dates when you do see the birds. Do this until you no longer see them and then you have your ‘last seen’ date. Ivy First flowering: Flower open to the point where the centre is visible. Lawn cut: The date on which you give your lawn its last cut of the season.This may relate to ground conditions rather than the length of the grass; don’t worry, just record the last time you were able to cut it. Early events, including spring events in autumn For more help see illustrations on following pages. There are always exceptions to every rule - a swallow or butterfly seen in mid-winter, or a flower, weeks ahead of others.These are abnormally early events and are not to be recorded, as we are looking for trendsetting events. You may however notice genuinely trendsetting first spring events before the end of the year. If so, then please keep a note of them and enter them onto your spring form when it arrives, or enter them online as you see them. 8 If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Trees & shrubs Tree, shrub and winter twig illustrations by J.Oldham, Andrew May and Jonathan Panter (except dog rose and blackthorn) donated by Field Studies Council: www.field-studies-council.org (see inside back page of booklet for more details). Alder Alnus glutinosa M adg ett A grey-brown bark with a network of shallow fissures. Very rounded, dark green, shiny leaves, with male and female catkins, the latter look like miniature cones. P Germinates particularly where soils are seasonally waterlogged. It is often found beside streams. Its seeds actually f loat and are distributed by streams to germinate in muddy banks. Flowers in March, leaves in April/May. Ash Fraxinus excelsior Elegant deciduous tree growing up to 40 metres high with talldomed, open crown. Young trees have smooth, grey bark that becomes dark and fissured with age. Buds are black, and the leaves usually have about 3-6 pairs of leaf lets that are distinctively pointed. Flowers, which look like coral growths, appear before the leaves. Record leaf budburst only. Leaves turning yellow in autumn. Winged fruits hang in clusters (keys) and turn brown after leaf fall. Found on all but the poorest and most acid ground. Common in woods, along hedgerows and in streets and parks. Rare in northern Scotland. Flowers in April, leaves in May. Leaves drop around late October. e aic Peter P If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk 9 Trees & shrubs Beech Fagus sylvatica Magnificent deciduous tree that can grow up to 40 metres tall. The bark is smooth, silvery-grey. The leaves are pointed ovals, with slightly wavy edges. Cigar shaped buds open to reveal the young leaves which are a delicate yellow-green, turning to shiny dark green by late spring/early summer. The leaves turn from pale yellow through to deep orange/red in autumn. The triangular nuts ripen to a shiny rich brown and are held in a prickly, four-lobed casing. Either in mixed woodland or standing alone, usually on chalky or sandy soils. ar ton Flowers and leaves in April/May. Leaves drop around late October, ripe fruit in October. B ret Marga Silver birch Betula pendula Slender deciduous tree up to 30 metres tall with smooth, silvery-white bark that develops deep, dark fissures with age. Oval leaves have double-toothed serrations along edges and neither leaf stems nor leaves are hairy (that’s downy birch). Catkins – the male ones are long, drooping and yellow; the female ones are slender, green and are upright when f lowering, drooping in fruit. Leaves turn yellow and then golden in autumn. The gherkin-shaped fruiting catkins turn brown in winter and, helped by birds, release tiny winged nutlets. Light sandy soils in woodland, heath and moor, also colonises wasteland March/April for leaves and catkins. Leaves drop in November. N.B. Silver birch and downy birch frequently hybridise. 10 If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Trees & shrubs Blackberry Rubus fruticosus A very familiar, vigorous and thorny scrambling shrub, with numerous different microspecies. The edible fruits go from green through red, to deep purple and finally black when ripe. Common in woodland, hedges, scrub and wasteland. Ripe fruit from late August. Blackthorn Prunus spinosa m on .co .uk A deciduous, thorny shrub that forms dense thickets by sending up shoots (suckering). Often found in .de www .mo orhen hedges and can form small trees up to 10 metres tall. Smooth, bright bark. Cascades of white f lowers which emerge before the leaves and help to distinguish it from hawthorn. Can be confused with the cherry-plum – but only the blackthorn has thorns. The oval blue-black fruits or “sloes” have a powdery surface bloom and an extremely bitter taste. The ancestor of our cultivated plums. Common in woodland, scrub and hedgerows. Flowering March-April. Leaves drop in November, ripe fruit in October. Lovely sloes; cloudy drop of dusty blue that drip like rain from thorny spikes and bloom from leaves of thicket green small and dark and fine Extract from Nipping sloes, Jenny Gladstone. 11 Trees & shrubs Horse chestnut Aesculus hippocastanum A stout tree up to 30 metres tall, with a huge domed canopy and grey-brown, fairly f lakey bark. Distinctive leaves, with five or more long leaf lets. Large red-brown sticky buds Clusters of white f lowers (not pink/ red – that’s a different species) that make it look like a huge candelabra. n The big mahogany-brown conkers burst from a green spiky fruit. (Smooth cases tend to be the pink/red f lowered species). Leaves turn from orange to scarlet in autumn. to Marga ret Bar Common in parks, gardens, streets and village greens. It was introduced from Turkey in the late 16th century and widely planted here. Leaves from April, f lowers in May. Leaf drop late October, falling ripe fruit from September to October. Elder Sambucus nigra Deciduous shrub with browny-grey, twisted trunk and branches. Leaves similar to Ash, with toothed leaf lets opposite one another. Clusters of tiny white f lowers that smell unpleasant. Drooping clusters of round, green berries ripen to black in autumn. ar to n Very common in hedges, waste ground, woodland edges and scrub on fertile, moist soils throughout the UK. Leaves from March, f lowers in June. Leaves drop in October/November, ripe fruit in September/October. tB are Marg 12 If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Trees & shrubs Hawthorn Crataegus monogyna Deciduous thorny shrub with grey, fissured bark on a knotted, twisted trunk. Quite distinctive, toothed leaves that appear before a mass of wonderful scented blossom. The deeply lobed leaves, turn orange and dark-red in autumn. Fruits ripen to red berries (haws). Very common in hedges, scrub and woodland. Leaves from March to April, blossom from May to June. Leaves drop in November, ripe fruit from October to November. Hazel Corylus avellana Deciduous shrub with multiple stems growing to some six metres tall. Smooth, brown-grey bark that splits and f lakes with age. Distinctive round, slightly hairy, pointed-tipped leaves. In spring it develops yellow catkins. Female catkins look more like leaf buds with red styles protruding from the tip. The edible nuts, held in green, leafy cups, turn brown when ripe. Found throughout the UK in woodland, scrub and hedgerows. Flowers January-March, leaves in April. Leaf drop in November, ripe fruit in October. If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk 13 Trees & shrubs Holly Ilex aquifolium Evergreen shrub or small tree growing up to 10 metres tall with numerous garden varieties. Characteristic tough, dark green, spiny leaves and clusters of scarlet red berries. Fruits often stay on the bush overwinter and are popular with many birds. May form the undergrowth in woods but is also found in woodland edges, hedges and scrub. Leaves evergreen, ripe fruit from October. Ivy Hedera helix A common, evergreen climber that also sprawls over the ground. Dark green, glossy leaves are three- or five-lobed, like a maple leaf, on young stems and heart-shaped on the f lowering stems. The yellowish-green f lowers are borne in small clusters. Grows well almost anywhere throughout the UK – woodland, scrub, isolated trees, wasteland, walls and rocks. Flowers in September/October. Ripe fruit, November to January. Ivy f lowers are September suns that rise from glossy leaves. Their yellow spokes like 'lion clocks make landing fists for bees. Leaves so bright that light returns like silvered glass to watching eye, and robin's whispered autumn song lisps above the curling frond, and wren f licks home behind the shine to shadowed pool of thickened vine. 14 Extract from Ivy, Jenny Gladstone. Trees & shrubs European larch Larix decidua A deciduous (drops adg ett its leaves) conifer and a M tall, graceful tree with bright pink, feathery female f lowers (larch P roses) and vivid green needles. Smells strongly of turpentine. Can be distinguished from Japanese larch which has rose-like cones with scales turned back. Forestry plantations – grown both for timber and as a ‘nurse’ for other species. Seeds blow on wind to spring up in sheltered hollows and upland valleys. Leafing March-April, f lowers March-May. Purple lilac Syringa vulgaris Clusters of light purple f lowers set amongst smooth, dark green, heart-shaped leaves and a wonderful scent. The colour is important. White, pink, blue and dark purple are cultivated lilacs, so please do not record them. Open, well-drained, unshaded places. Very popular with gardeners. Survives severe cold and thrives in a frost. Generally f lowers from April through June. If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk 15 Trees & shrubs Field maple Although often shrub-like in hedges, it can grow up to 20 metres tall and has hard green-brown, fissured bark. Leafing in April in opposite pairs, leaf stalk with milky sap. The lobed leaves show striking autumn colours and are much smaller than the related sycamore. The paired, winged fruits, like helicopter blades, are yellowgreen tinged with crimson. ar to n Acer campestre et gar Mar B The only native maple in the British Isles, found naturally in lowland England and Wales. Flowers and leaves appearing together April. Leaves drop in November. Pedunculate oak ice Quercus robur Pa This is the classic English, or common oak, Peter complete with acorns and distinctively-shaped leaves. The leaves have almost no stalks but the acorns do, making it easy to tell from the sessile oak. Male f lowers in drooping yellow catkins, female f lowers in inconspicuous stalked spikes have reddish colour Mostly found in mixed woodland, but huge, isolated specimens are also seen in fields, hedgerows and parks. The dominant oak in the lowlands. Flowers and leaves in April/May. Leaves drop in November, ripe fruit from September to October. 16 If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Trees & shrubs Sessile oak Quercus petraea It’s the opposite to pedunculate oak – the acorns don’t have stalks but the leaves do. Oaks can grow 40 metres high and live for more than a thousand years. Male f lowers in drooping yellow catkins, female f lowers in inconspicuous stalked spikes have reddish colour. It likes lighter, well-drained soils and is the dominant oak in the uplands most common in the north and west. It doesn’t tolerate f looding, unlike the pedunculate oak. Flowers and leaves in April/May. Leaves drop in November, ripe fruit from September to October. Turkey oak Lu nd Quercus cerris David Bark: The bark of all three oaks is thick and deeply fissured with a grey brown colour. Not featured on the recording form: If you see whiskery acorn cups and deeply lobed leaves, move on – you’re looking at a Turkey oak! If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk 17 Trees & shrubs Dog rose Rosa canina A scrambling shrub with long arching stems armed with curved thorns. This wild rose produces beautiful pink or white f lowers in summer and striking red rosehips in autumn. m May and June for the mass of delicate f lowers. Ripe fruit in September. on .co. uk In woodland, hedgerows and on scrubland throughout the UK, although more common in the south. Prefers heavy soils. .de en or h o m . www Rowan Sorbus aucuparia A fairly fast growing species reaching 15 metres tall and has smooth grey-green bark. Distinctive ash-like leaves, although smaller more numerous leaf lets. Young twigs are slightly hairy, and the buds very hairy when bursting. Small, creamy f lowers in dense clusters 10-15 cm across. Clusters of red berries in early autumn. Beware of the many cultivars and hybrids that are planted in streets, parks and gardens. Widespread as grows happily on quite poor soil, although more common in the wild in west and north of the UK where it grows at a higher altitude (1000m) than any other tree, hence its other name, ‘mountain ash’. Leaves from April, f lowers in May. Leaves drop late October, ripe fruit from September to October. 18 If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Trees & shrubs Sycamore Acer pseudoplatanus Magnificent domed canopy up to 35 metres high, smooth grey-brown bark when young becoming scaly and f laky with maturity. Stout twigs with fat, green buds. Leaves are large, maple-leaf shape, with five pointed lobes. Flowers hanging in long, spiky clusters. Autumn colours not as spectacular as field maple and the paired, winged fruit or “keys” are green tinged with red and ripen to brown One of our commonest and most widespread trees, found almost everywhere. However is not native to the British Isles coming from central and south-east Europe. Flowers and leaves appear from April-May. Leaves drop in November. aic rP Pete e Today’s new river is fresh New laundered, smoothly ironed and starchy still Two lines of willows, Two skies, Two cuckoos – Two cuckoos speeding, Courtship beneath their wings He cuckoos she giggles, They brief ly touch In a clatter of taut wimgs, And f lash away like hawks Each day a gift, Today’s, Two cuckoos By Joanna F Barlow. 19 Flowers Wood anemone Anemone nemorosa tB ar ton One of the earliest and prettiest of all woodland f lowers. It is a perennial with leaves springing from the base, sometimes forming a carpet in woods. Flowers are usually white, but sometimes pinkish. re rga Ma Woods, hedgerows and upland meadows. Flowers in March-May. Bluebell Hyacinthoides non-scriptus Bell-shaped, deep blue f lowers on a tall stem, often growing so closely together they form a unique carpet - one of nature’s most stunning displays. Britain has the finest bluebell carpets in the world. Spanish bluebells have escaped into the wild but should not be recorded. Their leaves are broader, their f lowers are more widely bell-shaped and their anthers are blue rather than the creamy-white of our native bluebell All over the country, in woodland, grassland, heath, scrub and hedgerows. Bluebells are a perennial, f lowering in April and May. Winter rolls back from the woodland f loor; dirty snow turns to gold stars turns to white bowls turns to blue bells. Each year the earth sets the old machine in motion. 20 Extract from Tower House Woods, Jenny Gladstone. Flowers Lesser celandine Ranunculus ficaria One of the first woodland f lowers of the year. The f lowers are shiny yellow with eight to twelve petals. The leaves are heart-shaped. Pa ice Damp woodland paths and tracks as well as on stream banks and in ditches. It grows well in the shade of hedgerows too. et er It’s a perennial herb, f lowering in March-May. P Colt’s-foot Forest Life Picture Library Tussilago farfara A perennial with broad, simple triangular shaped leaves, which appear after f lowering. Small plant with yellow daisylike compound f lowers on an erect scaly stem in the spring. Absolutely anywhere. It’s considered a weed and springs up in almost any soil, from dune to wasteland, roadside to hedgerow. All year round for the leaves, February-April for the f lowers. If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk 21 Flowers Cuckoof lower or Lady’s smock Janet Novak Cardamine pratensis Pretty, white-pinkish, slightly cupped f lowers on long, elegant stems. Lower leaves with rounded leaf lets, upper leaves with narrow leaf lets. Damp grassland, woods, roadsides, ditches, river banks and pond edges. Flowering April-June but sometimes earlier. Oxeye daisy Leucanthemum vulgare It has long, zigzag-edged leaves and produces white f lowers with a yellow, moon-shaped centre. It looks like a very large daisy! Grassland, hedgerows, meadows and roadsides. First f lowers May-June. 22 If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Flowers Garlic mustard Alliaria petiolata Colin Varndell Also known as jack-by-the-hedge. Soft, nettle-shaped, slightly hairy leaves with long stalks and a faint smell of garlic. It puts out brilliant white f lowers in late spring. Hedge-banks and open woodland, especially on chalky soils. dfl ow ers Flowers April-July. il W are Delaw Snowdrop l.c o Strap-like, blue-green leaves and drooping white f lowers. The inner f lower segments have a green patch towards the tip, and there’s only one f lower per stem. Anything else is a cultivated variety – please do not record these. m Galanthus nivalis d ys www.an l ma Damp woods, streamsides, meadows and shady gardens. The plant is a perennial, f lowering between January and March (sometimes much earlier). If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk 23 Grasses Grass illustrations by Ian Edwards. Cocksfoot Dactylis glomerata A very common grass with a f lower head with three or more compact spikes looking a little like a cock’s foot, hence the name. The base of the stem is f lat in cross section. Look out for its protruding anthers (a tiny club-like structure) to tell it is f lowering. All grassland and waste ground. First f lowers May-June. Meadow foxtail Alopecurus pratensis An early f lowering grass with a f lower head forming a soft, compact cylindrical spike up to 9cm long. Look out for the purple or orange anthers drooping from the f lower head to indicate it is f lowering. Meadows and other grassy areas. It prefers rich, damp neutral soil. Flowering April-June. 24 If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Grasses Timothy Phleum pratense A common fodder grass, stems up to 150cm. Cylindrical f lower head up to 15cm long, sometimes with a purple tinge. Meadows, waysides and waste ground Flowers June- August Identifying grasses can be complex and we recommend that you use a good quality identification guide. Fundamental to the identification of many species are the ligules - the small membranous f lap between the leaf and the stem. Yorkshire fog Holcus lanatus Another very common grass with soft, grey hairy leaves. The f lowering "plumes" are often purple-tinged. Peel back the basal leaves to reveal its unique pink striped f leshy stem- "stripy pyjamas". Creeping soft grass (Holcus mollis), which most commonly occurs in woods, looks very similar but has ‘hairy knees’ at junctions along the stem. All grassland and waste ground. First f lowers May-June. Good Friday, and I am searching for the third. The third sign of spring’s return. And this small sign of spring alights, on yellow disk of dandelion. This small tortoiseshell is number three; red-amber fire on golden crown. The rest are summer, and f ly unmarked. Recording for phenology, Jenny Gladstone. 25 Birds Bird illustrations by Mitchell Beazley (except rook and song thrush) © Octopus Publishing Group/P. Hayman (see inside back page of booklet for details). Blackbird Turdus merula Males have black plumage and a bright yellow beak. Females have brown plumage, a mottled breast and a brownish beak. Flight is usually low and over short distances and often accompanied by a harsh chattering alarm call. Almost anywhere except the most barren uplands. Thrives in gardens and parks. You’re as likely to find them nesting in a city centre as on a farm. Nests in trees and bushes. A resident, so can be seen at any time. Produces two or three broods between March and May. Blackcap Sylvia atricapilla Margaret Barton As the name suggests, the male of this widespread species has a distinctive black ‘cap’ on his head (above left) – the female’s cap is rusty coloured (below left). Both have grey and brown plumage. The varied, warbling song is one of the best birdsongs of summer. Blackcaps are hard to spot, f litting about in undergrowth in woodland, parks and gardens. A summer visitor from March/April, which is increasingly overwintering in southern counties. Chiffchaff Phylloscopus collybita ar to n A small bird similar to the willow warbler, with its delicately tinted grey-olive plumage. The easiest way to tell them apart is their song. The chiffchaff has a two-note, almost mechanical sounding song, hence chiffchaff. et Margar B Woods and hedges. It nests near the ground, although is best seen and heard in the tops of tall trees. A summer visitor from March onwards although increasingly overwintering in southern counties. Its song is one of the first and most distinguishable in spring. 26 If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Birds Cuckoo or y Unit Cuculus canorus st BBC Hi N atural Quite hawk-like in f light, except for its graduated tail. More often heard than seen but take care not to confuse its call with that of the collared dove. It has grey upper parts and barring below, although some females are rusty brown. Its wings are pointed and often drooped when perching. Marshes, woods, hedges, moors and farmland. Famous for its parasitic nesting behaviour, laying its eggs in other birds nests. A summer visitor, from April. Turtle dove Streptopelia turtur Britain’s smallest dove, about 26cm long. Its back is a mix of black and brown, like a turtle’s shell. It has a greyish cap and rump, a pinkish breast and black and white barring on the neck. The song is a distinctive, soft purring. Easy to distinguish in f light due to narrow white tip at the end of the black tail. It is fast-f lying. In open, wooded farmland, in hedgerows and woodland edges mainly in the south and east of Britain. A summer visitor from March onwards. Fieldfare Turdus pilaris One of the larger thrushes, slightly bigger than a blackbird, with characteristic blue-grey head and rump, and chestnut back. White underwing f lashes show in f light. Commonest call is “chack, chack, chack” in f light. w. ww o.u k Look for them in single-species f locks or with redwings. Open country, fields, hedges and orchards throughout the UK, and gardens when weather is hard. m n.c oo r hen. demo Winter visitor arriving from October onwards. Leaving in April. If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk 27 Birds Spotted f lycatcher Muscicapa striata A small, slim, elegant bird with mousebrown topsides and lightly-streaked, whitish underparts. Dashes after passing f lying insects, including butterf lies, often returning to the same perch. Woods, parks and gardens, often seen sitting upright on a post or twig. A summer visitor from late April/early May. House martin Delichon urbica Often confused with swallows, although a good deal smaller, house martins have an obvious white rump, seen as they disappear into their mud nests under the eaves of houses. They feed much higher than swallows and have shorter tail forks. The white breast is dusky in the juvenile. Song, often delivered from telephone lines, is a babbling twitter. Under the eaves of a building, or tucked under a ledge or a tiled roof. Often seen feeding over water or in open farmland with swallows. Found throughout the UK, though less common in northern England and Scotland. A summer visitor from April. Most depart from Britain by October. I wrote “I wish”, till suddenly, mid-May, the garden filled with operatic pain. From next-door’s chimney-pipe, late in the day, a sobbing primadonna poured a chain of short soprano themes. Was this the last of London’s thrushes? Was her brood all slain? 28 Extract from Filling in the form, Anna Adams. Birds Sand martin Riparia riparia It’s the smallest of Britain’s swallow & martin family – about 12cm. The topsides are brown and it has a brown breast-band across otherwise white underparts. Its f light is less graceful than the swallow- more of a f lutter than a swoop. The song is a distinctive chattering. Likes sandy river banks, cliffs and gravel pits. Often seen feeding over water. A summer visitor from March/April. Most leave in August/September. Nightingale Luscinia megarhynchos A bird that's heard rather than seen. Russet brown above with a rusty red tail and pale undersides. The song is very distinctive - fast, loud and rich, often commencing with a “choc, choc”. Often associated with coppiced woodland but also in open woodland with plenty of undergrowth, wooded heaths and tangled scrub. A summer visitor, so listen out from late April. Redwing Turdus iliacus Smallest thrush in the UK, with distinctive creamywhite eye-stripe and conspicuous reddish f lanks and underwing. High-pitched call “see-ip” often heard from migrating f locks f lying overhead at night. Widespread in open country and hedgerows; visits gardens in hard weather. Often found with fieldfares. Winter visitor from October. Leaving in April. A scarce breeder in northern Scotland. If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk 29 Birds Rook Corvus frugilegus One of Britain's largest resident land birds. Feeding in f locks and returning to roost all together in long, straggly lines. Black all over. Look for the groups of scruffy nests of sticks (rookeries) at the tops of tall trees. Common in all but the very north of Scotland. Farmland, fields where there are plenty of woods and trees. Nesting starts in February-March before the first leaves appear on trees. Swallow Hirundo rustica Swooping graceful f light on long wings with long, forked tail. Autumn juveniles have shorter tail streamers. At rest look for cream underside and dark-red throat and forehead; (more of a rustybuff colour in juveniles). Call is a cheerful “vit, vit” in f light and a rapid twittering song. Open country, usually near water and houses. It builds its nests on ledges, beams and joists in sheds and outbuildings. Gathers in restless f locks in autumn on telephone wires and with martins over marshes and reedbeds. A summer visitor from April. One of the latest summer visitors to return to Africa. Most depart by late September. Swift Apus apus Swifts are dark all over, with pale throats and narrow, scythe-shaped wings. Look for groups of screaming birds dashing between buildings, or almost invisible high specks swooping after insects in the dusk. They nest in cracks in masonry or on rafters. Except when on the nest, they spend their whole lives, even sleeping, on the wing. They will never be seen perching or roosting. Low over meadows or high over buildings. They nest in cracks in masonry or on rafters. Except when on the nest, they spend their whole lives, even sleeping, on the wing. A summer visitor arriving in late April/early May. Leaving from late July/August onwards. 30 If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Birds Song thrush Turdus philomelos From a photo by Andy Bright The same family as the blackbird although slightly smaller, it has a characteristic brown back with pale, speckled underparts. Not to be confused with the larger, more greyish coloured mistle thrush, which has very distinctive white corners to its tail. Gardens, heaths, woods and fields. A resident species, so present all year. Listen for their song, a series of repeated tunes throughout the winter as they may sing all year. Blue tit Parus caeruleus Small and colourful in tones of blue and yellow, it’s an easy bird to spot. Builds its nest from moss, wool, hair or feathers, often in a hole in a wall, tree, gatepost or of course a nesting box in the garden. Deciduous and mixed woodland, hedges, gardens and parks. It is a resident bird so can be seen throughout the year. However it breeds between March and May producing only one brood. Great tit Parus major The largest of the tits, averaging 14cm long. Similar colouring to the blue tit, but with a black ‘cap’ and breast band. A fairly raucous, metallic call – sounds like “see-saw” or “teacher-teacher”. Deciduous and mixed woodland, hedges, gardens and parks. A resident bird so it may be seen throughout the year. However it breeds between March and May producing only one brood. If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk 31 Birds Willow warbler Phylloscopus trochilus Our most common and widespread warbler. A small bird, up to 11cm, with neat olive-brown plumage. Best distinguished from the chiffchaff by its song – a sad descending melody. Almost any patch of woodland or scrub. A summer visitor – March/April onwards. Wheatear Oenanthe oenanthe Easily identified as it f lies away due to its striking white rump. About 15cm long, the male has black cheeks, a white eye stripe and a grey crown – both sexes have cream underparts. Treeless, open countryside – moors, heaths, dunes or grasslands. Nests are often built under rocks or in rabbit burrows. A summer visitor – late March onwards. Whitethroat Sylvia communis Characteristic white throat, although male has contrasting grey crown, both have rusty grey/brown topsides and tinted pale underparts. A varied, scratchy song. Gardens, woods, heaths and hedges- over most of the UK except the highlands. A summer visitor from April/May. Bees are out Fumbling and bumbling Warming their wings Seeking out butterburr and ten-petalled celandines 32 By Joanna F Barlow. Insects Queen red-tailed bumblebee ol me s Bombus lapidarius e Pet H A big, black, round hairy body with a red-orange tail – quite unlikes its distant cousin the honey bee. Mated queens are the first to be seen in the spring, searching for new colony sites. As spring progresses smaller worker bees take over food collection while the queen lays more and more eggs. Usually nests on the ground, often under stones or the base of dry stone dykes. Look out from March in the south, April in the midlands and May in the north. Record only the red-tailed bumblebee Queen common wasp Vespula vulgaris The queen has the familiar vivid yellow and black stripes, triangular head and sting of the smaller workers. The queen is about 2-2.5cm. Wasps are attracted to meat, sweet food and drinks. Nests are usually only seen as tiny entrance holes, usually underground but also in cavities in walls, ceilings, logs and trees. The queen is the first wasp you’ll see in early spring in about April, when she searches for a nesting site. Ladybird (7-spot) Coccinella 7-punctata Very familiar brightly coloured red/orange beetle with seven spots. Three on each wing case (elytra), the seventh at the front embracing both elytra. The 7-spot is considered to be ‘the' ladybird, the name deriving from Christian mythology in which the ‘lady’ is The Virgin Mary, the red colour of the insect her cloak, and the seven spots her seven joys and seven sorrows. Widespread. Everywhere, feeding on aphids. Look out from March for hibernated adults, and soon after for mating pairs. Mating can take 3-9 hours so should be easily spotted! If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk 33 Insects (butterf lies) Butterfly distribution maps courtesy of Butterfly Conservation (see inside back page of booklet for details). Holly blue Shining, sky-blue upperside wings with fine borders. The female has heavy dark borders to its forewings. The Holly Blue is easily confused with other British blue butterf lies so look out for the underside wing pattern when the wings are partly closed where you should see small black spots. Bushy, wooded habitat, often in woodland clearings and margins where its larvae feed on many plants, eg holly, bramble, gorse and ivy. Southern England, Wales and parts of Northern Ireland. n.c o.u k Celastrina argiolus e rd yga www.butte rfl Usually end of April/ June. Brimstone Gonepteryx rhamni em on. co.uk Female has pale green wings. Male has lemon-yellow wings – the origin of the word ‘butter’f ly. Both have a small orange spot on each wing. o rh www.mo Light woodland, bushy areas. Larvae feed on buckthorn. Throughout British Isles, except Scotland. .d en Often first butterf ly to appear after winter. Hibernating specimens reappear in early spring, from late March/early April. Comma Polygonum c-album Orange brown with darker markings and an unusual wing shape. It has a white ‘comma’ on the underwing. Hibernated individuals from late March/early April. 34 If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Colin Varndell Woodland clearings and gardens, where its larvae feed on nettle, willow, redcurrant, hazel and elm. England and Wales. Insects (butterf lies) Orange tip Anthocharis cardamines If in doubt, please leave it out! ah Wa lte rs Upper wings are white. The forewings of both male and female show a single black spot, which is enclosed by the characteristic orange tip only on the male. Hind under wing of both sexes, a confusion of green and white markings. In f light the female looks like a green-veined white but at rest, the under wing looks like lichen against a white background. Sar First appears in April. Butterf lies are best identified at rest and/or when underwings are visible. Sightings of the spring generations we would like you to record are unlikely after June. For more information see pages 38-41. .co .uk Flowery meadows. Larvae feed on cuckoof lower and garlic mustard. Throughout British Isles, except far north of Scotland. ide gu flyr e t t www.bu Peacock Inachis io One of the most spectacular and most common butterf lies. Deep red wings with very distinctive ‘peacock eyes’. Flowery banks and gardens. Larvae feed on nettles, adults commonly seen on buddleia. Throughout British Isles. In spring at the faintest hint of warmth for hibernated individuals, from late March/early April. Adrift in the butterf ly month Counting peacocks Two would have covered my palm And there were handfuls beyond numbering Extract from a poem by Joanna Barlow, Untitled. 35 Insects (butterf lies) Red admiral Vanessa atalanta Wings dark brown with distinctive red bands and white spots at front. n Var Colin ll de Flowery banks and gardens where its larvae feed on nettles. Throughout British Isles, depending on migration. Look out for them in May. Small tortoiseshell www.moorhen.demon.co.uk Aglais urticae Red with black and yellow markings and characteristic blue f lecks on wing edges. Prefers f lowery places and waste ground where its larval food plant is stinging nettle, hence the Latin name. Throughout British Isles. Late March/early April for individuals. Small white Artogeia rapae If in doubt, please leave it out! de arn Colin V ll Upper front wings are white, with a spot; can be hard to distinguish from a green-veined white in f light but underside hind wings are powdered yellow. April or later, in two or more broods. 36 .co .uk Meadows and gardens. Larvae thrive on brassicae (cabbage family). Throughout British Isles. e uid y-g fl r e t www.but If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Insects (butterf lies) Green-veined white Artogeia napi en .co .uk If in doubt, please leave it out! .co .uk www.butterfl ide gu flywww.butte r rd yga White or pale yellow wings with veining ranging from strong green to faint black, depending on sex and time of year. 12 variable black spots on forewing. Under wings powdered yellow as with small white but show broad grey-green stripes along the veins helping to distinguish it from the female orange tip or small white. Both of which it can be mistaken for in f light. Flowery meadows, especially near woodland where larvae feed on brassicae (cabbage family). Throughout British Isles. First appearing in late April. Speckled wood Pararge aegaeria Wings chocolatey-brown with creamy patches. Three black eye markings on hind wing – one on forewing. Underside is a patchwork of grey, cream and brown. Widespread, favouring shady woodland and hedge conditions where larvae feed on a variety of grasses. Common in Ireland, Wales and southern England. Look out for this butterf ly in April-May. If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk 37 Insects (butterf lies) Special additional guidance notes BUTTERFLIES Different species of butterf ly have differing life cycles and over winter at different stages in their life cycle (egg, larva, pupa, adult) and therefore emerge at different times in the spring. They may have one or more generations in a year. All this can prove very confusing when you are attempting to record a ‘first’ sighting. We have had a great deal of correspondence from recorders seeking clarification and so have devised a special guidance note that we hope will help. We are recording first sightings of the first generation each spring, or first emergence dates of over wintering adults. If the butterf ly you first see is later than the dates suggested overleaf * then it is likely to be from a later generation and you should not record it. It is quite possible to be looking and still miss the spring indivivuals – don’t worry! Butterf lies that over winter in houses may awaken under false pretences when heating is switched on, for example, and should not be recorded. They should be released outside to find another hibernation spot. *The further north or the higher you live the later first sightings are likely to be, because of the colder temperatures experienced there. 38 If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Insects (butterf lies) Red admiral/Small tortoiseshell/ Peacock/Brimstone/Comma d m ad iral All the butterf lies listed above over winter as adults, (or in the case of the red admiral may arrive as a migrant) and therefore will be active very early in the year. We are therefore in emergence dates likely to be n rinterested a in V Col before the end of May. First sightings after that time are likely to be the offspring of the over wintering butterf lies. de m Peacock on. co.uk de ll Re Vanessa atalanta/Aglais urticae/Inachis io/Gonepteryx rhamni/Polygonum c-album . en o rh www.mo Comma Colin Varndell Small Tortoiseshell Margaret Barton Orange tip Anthocharis cardamines l tel Bat y o R This is a single brooded species that hibernates as a pupa and emerges from its chrysalis in spring. We are therefore interested in ‘first seen’ records in March, April or May. As there is no second generation it is less likely to cause confusion. If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk 39 Insects (butterf lies) Speckled wood Pararge aegaeria The speckled wood over winters in a pre-adult state, hibernating as a larva or pupa. The butterf ly therefore has to develop into an adult before it can be seen f lying, and so first sightings will be later than those butterf ly species that over winter as adults. We are interested in the emerging speckled wood adults that are likely to be first seen in March, April or May and before mid June. Speckled wood is now responding to temperature and extending its range – it was seen as far north as the Outer Hebrides in 2003 – but emergence dates will be later the further north or the higher you are. Speckled wood Margaret Barton Holly blue/Small white/ Green-veined white Celastrina argiolus/Artogeia rapae/Artogeia napi l Ho ly blu e ide gu flywww.butte r 40 e.c o.u k .co .uk Sm all These butterf lies over winter as pupae and are therefore first seen on the wing in March, April and May. We are only interested in sightings of this first generation of adults, not the later appearances of the second generation that appear in the e hit summer and are the result of w eggs laid by the first en-veined w Gre hit e generation in the late spring. id -gu www.butterfly If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Insects (butterf lies) The life cycle o fa bu t te y rfl egg larva adult pupa If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk 41 Amphibians Frog spawn Rana temporaria A mass of thick, translucent jelly with dark specks throughout. The specks are eggs – often 5000 are laid at once. Ponds, ditches and slow moving streams. Usually early in February/March although look out for early spawn. Tadpoles begin to emerge after about one month. Tadpole (frog) Rana temporaria After about 21 days as spawn, the embryonic frog leaves its protective jelly as a tadpole, complete with organs, gills and a long tail. Frog and toad tadpoles are very difficult to tell apart so please only record frog tadpoles where you have already recorded frog spawn. Spawn is easy to tell apart– frog spawn is a mass of eggs; toad spawn is a string of eggs Ponds, ditches and slow moving streams. Tadpoles can be seen from the end of March in sheltered spots. They develop into fully-f ledged frogs in about eleven weeks. Newt Triturus spp Ponds and lakes, ditches and slow moving streams. As amphibians, newts mostly live on land but return to the water to breed. Typically they return to the water in about February-March but can be as early as December. 42 If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Colin Varndell There are three species of newt in the UK, the smooth, palmate and legally protected great crested newt. The males of the smooth and great crested have a jagged crest on their backs, during the breeding season, and orange spotted underside. Smooth and palmate newts grow to about 10cm long, great crested newts can grow to 16cm long. Look out for them coming to the surface for air. Other events Fly agaric Amanita muscaria Probably our most familiar toadstool, the fruiting body can be up to 20cm across and 30cm tall. As it matures, the brilliant scarlet cap opens and is covered with white, wart-like spots. Although some rodents eat this fungus, it is highly poisonous to humans, and ingestion of only a few of these toadstools can be fatal. Look, but don’t touch! If you find one that looks a bit rough around the edges, then it is likely to have been up for some time, please do not record it. Widespread throughout British Isles, on light soils in mixed woodland and heaths among birch and pine. The fruiting bodies appear in late summer and can usually be seen through to the first frosts of winter. First & last lawn cut The date on which you give your lawn its first and last cut at the beginning of spring and the end of autumn respectively. This may relate to the ground conditions rather than the length of the grass, but don’t worry! Just record the first and last time you were able to cut it. By lawn we mean the traditional area of grass attached to homes rather than meadows or fields. If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk 43 Other information Responding to a changing climate We now have over 20,000 active recorders * and numbers continue to rise.Thanks to your efforts the UKPN is able to provide climate change indicators to scientists at a regional, national and international level.Together we are at the frontline of climate change science. We use the information you and other recorders gather to undertake groundbreaking research and to publice our findings as widely as possible. With your help we continue to generate significant media interest and provide data to scientists and researchers. The Woodland Trust is the UK’s leading woodland conservation charity. It is committed to: • • • • no further loss of ancient woodland restoring and improving the biodiversity of woods increasing new native woodland increasing people’s awareness and enjoyment of woodland Established in 1972, the Woodland Trust now has over 1,000 sites in its care covering approximately 17,700 hectares (43,700 acres). It offers free public access to nearly all of its sites. *We regularly contact recorders to ensure they want to remain part of the UKPN and so numbers of active recorders quoted will vary. The UK Phenology Network is comprised of Natures Calendar (www.phenology.org.uk) for adult recorders and Nature Detectives (www.naturedetectives.org.uk) for those aged 4-18, their teachers and leaders. Nature Detectives Nature Detectives enables children to develop a lifelong love of nature and a concern for the natural world through improved identification skills, fun learning activities and hands-on recording of seasonal events.As with adult recorders, their records contribute to real scientific research about the impact of climate change on trees, woodland and wildlife throughout the UK. Visit www.naturedetectives.org.uk to find • Fun activities for all ages including games, recipes and art • Free curriculum-linked educational materials • Species identification images and information • Phenology recording of seasonal events • Regular newsletters and environmental news articles The UK Phenology Network is funded by the Woodland Trust, a charity. Nature Detectives is supported by the Heritage Lottery Fund. For more information on the Woodland Trust visit www.woodlandtrust.org.uk or call 0800 026 9650. 46 If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk Are you ready to become a recorder? Test your ID skills with our Phenology quiz! a b c d e f All images taken by Margaret Barton except the Cocksfoot, photographed by Amanda Sharp and the peacock butterfly by Miranda Hodgeson. Answers at the bottom of the page. Answers: a – blackberries, b – peacock butterfly, c – conkers, d – ivy flowering, e – cocksfoot and f – bluetit If in doubt, please leave it out! | www.phenology.org.uk | www.naturedetectives.org.uk 47 ACKNOWLEDGEMENTS With thanks to the Butterfly Conservation, Field Studies Council, the Forestry Commission and Mitchell Beazley for their kind loan of images and illustrations. Bird illustrations are © Octopus Publishing Group/P. Hayman. From The Complete Guide to Birdlife of Britain and Europe, published by Mitchell Beazley. (www.mitchell-beazley.co.uk) Tree illustrations are reproduced from the Field Studies Council fold-out chart The tree name trail: A key to common trees, J. Oldham (1999). Illustrations of winter twigs from the Field Studies Council A guide to the identification of deciduous broadleaved trees and shrubs in winter, Andrew May and Jonathan Panter (2000), No. 258. Copies of the guides are available from Field Studies Council Publications on 01743 852101 or www.field-studiescouncil.org, along with full details of FSC activities, courses, publications and identification guides. Find out more about the Forestry Commission at www.forestry.gov.uk and the Forest Life Picture Library on 0131 314 6411. Butterfly distribution maps courtesy of Butterfly Conservation, adapted from The Millennium Atlas of Butterflies in Britain and Ireland (OUP, 2001). Find out more about Butterfly Conservation from www.butterfly-conservation.org or by calling 0870 7744309. UK Phenology Network,The Woodland Trust, Kempton Way, Grantham, Lincolnshire, NG31 6LL www.woodlandtrust.org.uk www.phenology.org.uk www.naturedetectives.org.uk All other pictures taken by the Woodland Trust Picture Library. The Woodland Trust Registered Charity No. 294344. The Woodland Trust logo is a registered trademark. Á Printed on recycled paper 3146 11/05