With only about 30 left, the amur leopard is on the brink of disappearing, due to loss of habitat forcing them to live in closer proximity to people.
Things are looking up for the world's rarest cat, whose population has doubled in number over the past decade.
Thanks to a strong recovery, the small minnow has been removed from the federal list of endangered and threatened animals.
Get a snapshot of the plight of Sumatran elephants in this infographic.
A killer whale in a Miami aquarium that has spent more than four decades in a tank will be granted the same protected status as her wild relatives.
The rarest and most endangered marine mammal in the world is on the brink of disappearing, new research suggests.
Some 322 birds, mammals and reptiles all went extinct in just the past 500 years due to people, research shows.
Video cameras attached to polar bears show the world from the bears' perspective, including what to do when your dinner freezes into a rock hard block. Continue reading →
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