A 2009 study examining the sleep/wake cycles of S. invicta found that the worker ants averaged a mammoth 253 sleep episodes ...

Editor's note: This is part of a series of videos offering an up-close perspective on the animal kingdom. A special 360-degree video camera system was set up in zoos and other facilities to show ...

Koalas only eat leaves and are very shy. They are one of Australia's most loved animals and are a protected species. Find out more about koalas and learn how you can help protect them. Watch our ...

Koalas, often perceived as the endearing poster children of Australian wildlife, are as unique in their dietary habits as in ...