A look at how zoos have changed historically from housing animals in cages to creating vast environments that closely approximate life in the wild and what zoos are doing to increase animal ...

Mammals as a group use every possible form of locomotion. Terrestrial species walk, run, jump, climb, hop, swing, dig, and burrow. Aquatic ones ... becoming another animal’s meal and more ...

In 2001, researchers reported that a fossil found in China in 1985 is the remains of a tiny, furry animal that was a ... These included the first fully aquatic mammals (whales) and flying mammals ...