There are hundreds of species of frog in the world, each with unique and wondrous features that set it apart from others like it. Some of those frogs are, unfortunately, endangered, and it’s possible ...

In a new study, biologists laid to rest a century-old debate by confirming that a single species of frog, out of the more than 7,000 living today, has true teeth on its lower jaw. In a new study, ...

When I got my first look at Boulenger’s backpack frog, I thought the poor thing was suffering from the world’s most unpleasant skin disease. The frog in this video appears to be wearing a cluster of ...

You only get 52 teeth in your lifetime: 20 baby teeth, followed by 32 adult teeth. It’s not like that for all animals. Some, like rodents, never replace their teeth. Others, like sharks, keep ...

In a new study, biologists laid to rest a century-old debate by confirming that a single species of frog, out of the more than 7,000 living today, has true teeth on its lower jaw. The culprit, a large ...