A rare and deliberate signal between a mother chimpanzee and her daughter raises new questions about ape communication, culture and the meaning of sharing a language ...

First banded in 1956, the Laysan albatross has become a mother once again at Midway Atoll National Wildlife Refuge ...

The Blank Park Zoo is celebrating the birth of twin cotton-top tamarins, one of the most endangered primates in the world.

Kida, one of Blank Park Zoo's critically endangered cotton-top tamarins, has given birth to her second set of twins. How to ...

Mama bears are setting up baby nurseries under homes in California, videos show. At least three mother bears nestled into ...

After over a century of being considered regionally extinct, this ecological “unicorn” was spotted alive and well in the ...

Over a century has passed since the last sighting of the extremely rare rhinocerous relative, a species previously believed ...

A rare and endangered baby animal that looks like a “fuzzy watermelon” has a new name, and it’s also a fruit, a Washington zoo said.

At the age of at least 74, Wisdom the albatross is showing that for many, motherhood simply never ends. The Laysan albatross ...

TACOMA, Wash. — It’s a girl! Point Defiance Zoo recently welcomed a rare and endangered Malayan tapir calf. Her name is Ume, ...