New research finds lions that have just yawned together are more likely to move in unison. Tambako The Jaguar via Flickr under CC BY-ND 2.0 Yawning is contagious for animals as well as humans, but ...

Add Yahoo as a preferred source to see more of our stories on Google. A Steller sea lion who recently went viral due to his mammoth size was caught yawning as he lounged around in San Francisco, ...

White lions are a rare color mutation of the African lion. In this striking video, a giant male white lion is seen yawning close to the camera. This movement reveals his massive teeth and powerful jaw ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. An exhausted sea lion invited itself aboard a boat and fell fast asleep ...

However, the contagion of the yawn seems to be a predominantly human characteristic, with a few exceptions, such as chimpanzees or the lion monkey. This specificity reinforces the idea that human ...