Philadelphia Zoo Euthanizes Oldest Lion In The U.S.

China Plans To Ban Domestic Ivory Trade By 2018

Cheetahs Are Far Closer To Extinction Than We Realized

Some Giraffes May Be Closer To Extinction Than You Realize

WATCH: Hero Jumps Into Icy Lake To Rescue Dog

How incredibly sad!

Colorado To Kill Bears, Mountain Lions In Bid To Boost Mule Deer

World’s Oldest Known Wild Bird Is Expecting A New Chick

‘We are failing the elephants’

At this sanctuary, all dogs are in heaven

So incredibly sad.

Here we go again, wiping out another beautiful being.

That’s one huge turtle!

WATCH: Heart-Stopping Rescue As Kitten Comes Within A Whisker Of Death

Pup cleans up his own puddle