Many scientists believe the red-eyed tree frog developed its vivid scarlet peepers to shock predators into at least briefly questioning their meal choice. These iconic rain-forest amphibians sleep ...

The Amazon rainforest is the most biologically diverse area on the planet. Sloths, pink dolphins, poison dart frogs, toucans and ... with "jaguars in every tree" and "anacondas on every shore ...

The team collected over 130 of these Ecuadorian tree frogs by combing museum archives, searching the rainforest and raising some eggs in captivity, the study said. A pattern began to emerge.