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Endangered species are animal popluations that are at risk of extinction. Natural extinctions do occur, but human beings play an integral role in animal extinction and preservation.
Image Gallery: Endangered Animals
View stunning pictures of some of the world's endangered species including pandas, tiger cubs and more.
Are frogs on the brink of extinction?
Frog extinction is a serious problem that requires immediate action from the conservation communities. The amphibia class of animals has been in decline for some time. What can be done to save these amazing creatures?
How the World Wildlife Fund Works
Do you ever wonder who initiated the focus on natural resources? The World Wildlife Fund is a forefather of conservation and a plays a major role in actively saving the Earth. Find out how this organization protects our world.
Why would there be no more fish in 40 years?
According to a study published in Friday's issue of the journal Science, there will be no seafood left to catch by 2048.
How many sharks are killed recreationally each year -- and why?
Sharks have been around longer than the dinosaurs. After a few hundred million years, it's humans that might kill them off.
What does global warming have to do with the decline in the polar bear population?
Polar bears are facing a grim future as global warming melts their Arctic home. What problems are they up against and what's being done to save them?
Global Wolf: Endangered Middle Eastern Wolves (Video)
Despite new laws designed to protect these magnificent animals, many areas of the Middle East have a dangerously low wolf population, and several species could soon become extinct. Watch this Animal Planet clip.
South African Elephant Crisis (Video)
Watch this video about elephants on HowStuffWorks. At Kruger National Park the number of elephants has risen to around 14,000 since culling stopped in 1995. This is actually endangering the elephant population because of the animals' voracious appetite.
Endangered Mammals in Europe (Video)
Watch this video about endangered mammals in Europe. According to a report that assesses all mammals in Europe, the Balkans (particularly Bulgaria and Romania) are the most affected by declining land mammal populations.
World's Most Threatened Species (Video)
Watch this video about the world's top threatened species on HowStuffWorks. Far too many species in our world are dying everyday, due in large part to pollution and over-consumption of resources.
Gorillas Making a Comeback (Video)
Watch this Reuters video to good news in the fight to save mountain gorilla populations (finally). Recent estimates put the number of gorillas upwards of 125,000. Western lowland gorillas have been classified as "critically endangered".
Where Have all the Primates Gone? (Video)
Watch this Reuters video to learn more about why primates are disappearing at an alarming rate. With increased deforestation, many primates are losing their natural habitats. Nearly half of all primates are classified as "threatened by extinction".