Across forests, oceans and city edges, wild animals live under constant pressure from stronger rivals, scarce resources and sudden shocks. Their survival depends on how they respond to concentrated ...

Every few months, people decide they deeply love an animal they haven’t met.Last year, it was Moo Deng, a pygmy hippo in a zoo in Thailand. Moo was hungry, play ...

Across 1,400 acres of prairie and sky, rescued lions, tigers, bears, and wolves settle into spacious habitats that feel refreshingly natural rather than theatrical. Colorado’s commitment to wildlife ...

Here are 10 animals that have some of the highest levels of testosterone and the impact it has on their behavior and characteristics.