A newly described amphibian has such a small range in southern Brazil that it’s already critically endangered.

A once critically endangered species of leaf frog has made a comeback. 

A cornucopia of toxins in the animal kingdom could provide inspiration for novel painkillers, but so far, effective drugs have proven elusive.
 

The phenomenon is one of the few examples of eavesdropping across the vertebrate/invertebrate barrier.

The polka dot tree frog (Hypsiboas punctatus) glows under a blacklight, due to the presence of three fluorescent molecules in its lymph tissue and skin. 

Diverse species are said to sing, but music is in the ear of the beholder.

Frogs and other anurans call to attract mates, and individuals must strive for their voices to be heard in the crowd.

A survey of sounds from birds to whales to fruit flies to fish

Constant exposure to the sounds of a busy road can impact a male European tree frog’s stress levels, immune system, and vocal sac coloration, scientists show.