Then there is the so-called "horror frog" or hairy frog, which can break its own bones to pierce through its toes and form makeshift claws.

Discover how African frogs with sharp claws use unique defensive weapons that pierce their skin—an extraordinary natural phenomenon.

WASHINGTON, June 23 (Reuters) - At least 11 species of African frogs carry a built-in concealed weapon -- they can sprout claws on demand to fight off attackers, U.S. researchers reported on ...

Ever heard of a frog that breaks its own bones to use as claws? Yep, it's as wild as it sounds, and that's just one of the many bizarre animal facts you’ll learn in this video! From strange ...

Human hair, therefore, shows unexpected similarities to the claws of clawed frogs. The results were published in Nature Communications.

These results indicate that the genetic programme for the development of keratinized claws originated in a common ancestor of humans and frogs.

Human hair therefore shows unexpected similarities to the claws of clawed frogs. The results were recently published in the scientific journal Nature Communications.