Around 50 threatened animal species — including jaguars, ocelots and bighorn sheep — will struggle to survive if the wall is built

Since the dawn of civilization, humans have wiped out 83% of wild mammals and half of wild plants, new study finds

The white-tailed sea eagle is one of the oldest, if not the oldest eagle in the world, and a member of an endangered species

An Icelandic farmer noticed an eagle struggling to fly on a riverbank near his farm Saturday. When he realized it was injured he threw his jacket over it and captured it, took it home and fed it wild salmon and lamb for dinner.