The diversity of body parts for ribbitting is astounding. Some males serenade with a pair of separate puff-out disks like padded headphones that slipped down the frog’s neck, throbbing in ...

The tiny frog is known for the striking yellow and black markings that cover its body, which warn predators of its poisonous skin. The frog is also one of the most threatened amphibians in the ...

The team promptly named it Ranitomeya aetherea, after its dominant trait—long, sky-blue lines along the length of its body. The frog also has copper-colored legs with brown spots and a head that ...