Add Yahoo as a preferred source to see more of our stories on Google. An adult koala eats a eucalyptus leaf. Joeys can't break down the toxic, fibrous plants on their own yet. Photograph By David ...

Koalas, renowned for being tree-dwelling, leaf-munching marsupials, can be found primarily in eucalyptus forests in the ...

A hungry koala nicknamed "Claude" has returned to a plant nursery to rob them of their delicious vegetation and brought some friends of his along. Claude was busted last year for munching his way ...

Add Yahoo as a preferred source to see more of our stories on Google. Their extreme dietary specialization affects digestion, behavior, energy use, and produces a consistent scent that reflects ...

Mother Nature doesn’t really care if something looks cute or gross. If it works, it works. And when it comes to raising babies in the wild, animal mums don’t mess around. Birds gulp down fish to ...