A sun bear was spotted yawning and showing off his long tongue at the Oakland Zoo in California. Sun bears typically use it to reach for insects in tight spaces. See it!

File photo of an American black bear yawning in California. As humans encroach on their habitats, bears are becoming increasingly comfortable at navigating our world in the hunt for food.

That’s either the biggest armadillo or possum I’ve ever seen, or that’s a bear.’” Yawn said the experience was a reminder to stay alert. “It’s just like stepping out in Africa ...

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 ...