Research & InnovationScience Insider
Did you know that there is a frog that can extend a bone in its body as a nail?
Vidunenahawula Website (National Institute of Fundamental Studies)
Many of the teens must have watched wolverine in the X-Men movies. Isn’t it cool to see someone extending claw from their skin. There is a frog who can extend their bones to make a claw. Hairy frog (Trichobatrachus robustus) is the animal that fits this description. Hairy frog breaks its own bones to produce claws that puncture their way out of the frog’s toe pads, probably when it is threatened. It is believed by the scientist that the bone passively come back inside.