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 ...

Do frogs have teeth? Only one species of frog known to science has true teeth on both the upper and lower jaws. It’s a large marsupial frog, Gastrotheca guentheri, and it was first described ...

The marsupial frog, which incubates its young in a pouch on its back, was thought to be extinct in some countries. Skip to main content. Search Shop Newsletters Renew Give a Gift Subscribe.

Thylacosmilus, or the 'marsupial sabertooth', had wide-set eyes that didn't match with ambush hunting, yet it somehow found a way to thrive. Search for: Science ...

But the marsupial’s visual field still managed about a 70% overlap, giving the creature a reasonable amount of 3D vision despite its cow-like eye socket position.

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.

An ancient carnivorous marsupial relative named Thylacosmilus atrox had canines so massive that the roots wrapped over the top of the animal's skull. Jorge Blanco Sign up for CNN’s Wonder Theory ...

The "marsupial sabertooth" Thylacosmilus atrox had cow-like eyes and superlong sabers that went up into its skull, ... Our teeth evolved from fish 'body armor' over 460 million years, ...

The horned marsupial frog is an amphibian species endemic to Central and South America. The frog can be found in Costa Rica, Panama, and Colombia with a small population in Ecuador.