A jaguar seems to stare into your soul as it lands a deadly bite into a caiman. An orangutan holds onto a tree, looking a bit like Gene Kelly. A band of majestic horses kick up snow as they crest ...

The Oakland Zoo captured footage of Lucha the jaguar enjoying some lazy time, yawning and stretching on a hammock because “getting up is a process.” ...

Tambako The Jaguar via Flickr under CC BY-ND 2.0 Yawning is contagious for animals as well as humans, but researchers can’t quite figure out why. Now, new research on lions suggests a potential ...

Humans aren't alone when it comes to yawning — all vertebrates do it too, including fish, amphibians, reptiles, birds and mammals. But why? The "evolutionarily ancient" act of yawning likely ...