Some of the more severely endangered species of animals are the African forest elephant, North Atlantic right whale, and the northern white rhino, the latter of which is right on the cusp of ...

There white rhino -- which has southern and northern subspecies -- is the largest of all the rhino species and ranks as the second-largest mammal on land, after the African elephant, according to ...

The white rhino -- which has southern and northern subspecies -- is the largest of all the rhino species and ranks as the second-largest mammal on land, after the African elephant, according to ...

The northern white rhino, however, became extinct in the wild in 2008, leaving only a handful of survivors in zoos. (Read more about efforts to protect rhinos from poaching.) ... into elephant DNA.

Thomas Hildebrandt first saw the inside of an elephant in 1990. ... But the northern white rhino occupies a uniquely precarious position.

The world’s northern white rhinoceros population plunges by a quarter with the death of 41-year-old Nola at the San Diego Zoo Safari Park.

Immediately after the world’s last male northern white rhino died on March 19th, a team of vets got to work. Within 30 minutes, they had collected tissue from the ears, gums, spleen, windpipes ...

When Northern elephant seals haul out on land to breed and molt, they sleep for over 10 hours a day. During that time, the seals aren’t eating, which may explain their need for extra sleep.

In the end, Roosevelt shot five northern white rhinoceros, with Kermit taking an additional four. Smithsonian Institution Archives The semi-arid landscape of eye-high elephant grass and scattered ...