Download Animals-done by Javier Sanjuan and Victor Valls

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Transcript
Index
• What´s the problem?
• WHICH ANIMALS ARE IN DANGER?
• Causes of the extinction
• How to fix it?
An endangered species is a population of
organisms which is at risk of becoming
extinct because it is either few in numbers,
or threatened by changing environmental
or predation parameters. The International
Union for Conservation of Nature (IUCN)
has calculated the percentage of
endangered species.
Many countries have laws that offer
protection to endangered animals: for
example, prohibiting hunting or creating
reserves.
Only a few of the many endangered
species get legal protection like pandas.
America:
Bald eagle, California
condor, peregrine
falcon, white pelican,
toucan, American
alligator, sea turtle,
olive ridley turtle or
Atlantic ridley, giant
armadillo, gray
squirrel, blue whale,
gray whale,
Greenland whale, sei
whale, black-footed
ferret, jaguar, gray
wolf, Florida
manatee, Vancouver
marmot, otter, ocelot,
Grizzly bear, giant
anteater, Black bear,
cougar East, tapir and
gray wolf.
Europe:
Africa:
Asia :
Atlantic
ridley,
olive
ridley, Blue
whale,
Greenland
whale,
humpback
whale, sei
whale,
Mediterra
nean
monk seal
and lynx.
Atlantic salmon,
leatherback
turtle, wild ass,
chimpanzee,
African Elephant,
Mountain gorilla,
cheetah, hippo
pygmy, black
lemur, leopard,
Mediterranean
monk seal,
African wild dog,
white rhino, blue
whale and fin
whale.
Crested ibis,
blue whale,
gray whale,
Greenland
whale, Sei
whale, Asian
elephant,
cheetah,
hippopotamus,
Asiatic lion,
leopard, snow
leopard, otters,
orangutans,
giant panda,
India rhino,
tapir and tiger.
Oceania :
Philippine
eagle,
green
turtle and
komodo
dragon
blue
whale.
•
•
•
•
•
10) GIANT PANDA BEAR
There are 1600 pandas living in the jungles and 188 in captivity. Today
the populations of pandas are found only in China .
9) JAVA RHINOCEROS
It is critically endangered, only known wild population, and there are
none in captivity.
8) Monarch Butterfly
The Monarch butterfly can be found in a number of habitats like
fields, urban and suburban parks, gardens and roads. During winter
they vive in coniferous forests.
7) Mountain Gorilla
The mountain gorilla live in Virunga volcanic mountains.
Its population isn´t abundant, there are 700 species in the wild.
6) Blue Tail Tuna
It lives in the Atlantic Ocean and the Mediterranean Sea. The blue tail
tuna is extinct in the Black Sea and Caspian Sea.
•
5) Leather Back Turtle
Mainly inhabit the Atlantic coast. It is estimated that there are only 3.200 adult female
turtles.
•
•
•
•
4) Magellanic Penguin
The fish, their food, has changed their transit routes by warming of ocean currents.
Because of that the number of individuals has declined.
3) Pacific Sea Lion
Their habitat is entirely of ice blocks floating on the sea. When the blocks melt, many are
left without a place to breed.
2) Polar Bear
This animal one of the main victims of global warming and also has faced the hunt to get
your skin.
1) Tiger
Currently there are about 3,200 tigers in the world. Hunters looking for their skins, bones,
or just keep devouring his cattle, coupled with deforestation in forest regions, have
managed to place the tiger as endangered species more alarming.
Indirect causes
•
Agriculture
Complete natural ecosystems are converted to fields where only one or a few species cultivated.
•
Environmental Pollution
Many toxic substances are released into the waste disposal process are very similar to pesticides, with
similar impacts on ecosystems.
•
Development
Forests are being cut everywhere destroying ecosystems.
•
Introduction of Species
The transfer of plants and animals from one ecosystem to another has had catastrophic effects.
•
War
Destroys not only human, too many species.