The frowny-faced frog took a trio of scientists by surprise when they heard its chirping call in the rain-slicked slopes of ...

beautiful compendium of 600 frogs from around the world, from the famed poison-arrow variety on up to the intriguingly named plaintive rain frog. The book is a looker, sure, but it also shows just ...

Just ask Romeo, a Sehuencas water frog who lives at Bolivia’s Cochabamba Natural History Museum. For the past nine years, Romeo has been emitting plaintive mating calls, but scientists fear that ...