An adult koala eats a eucalyptus leaf. Joeys can't break down the toxic, fibrous plants on their own yet. Photograph By David Marks/National Geographic When it’s time to feed the kids, koala moms do ...

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 ...