Koalas eat eucalyptus leaves, which are toxic to most animals. Their specialised digestive system breaks down the toxins, ...

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 ...

Their extreme dietary specialization affects digestion, behavior, energy use, and produces a consistent scent that reflects habitat and food quality. Koala scent varies by age and sex, with adult ...

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 ...