Add Yahoo as a preferred source to see more of our stories on Google. A good question! Frogs are amphibians. This means they can’t regulate their own body temperatures and start life as water-dwelling ...

To find her mate amidst a cacophony of frog croaks, groans, squeaks and trills, a female green tree frog just needs to take a deep breath. “We think the lungs are working a bit like some ...