The frog’s front legs and head were sticking out of the snake’s mouth, and the frog was screaming every few seconds. Biologists say this phenomenon of a prey animal making loud vocalizations ...

These largely terrestrial frogs may have been as ill-tempered and ... the prominent cranial shield the species had on its head. The presence of Beelzebufo on Madagascar poses an important question ...

The first species ever to be emergency-listed as an endangered species in Canada, the Oregon spotted frog was on the U.S. candidate list for 23 years before it federal protection in the United States.