These iconic rain-forest amphibians sleep by day stuck to leaf-bottoms ... Many of the animals that eat red-eyed tree frogs are nocturnal hunters that use keen eyesight to find prey.

these nocturnal frogs sleep by hanging underneath tree leaves. Their delicate, greenish transparent forms don't cast shadows, rendering them almost invisible to birds and other predators passing ...

Instead, the hollow interior fills with water and provides a home for new life to begin — via frog eggs. A new species of tree frog was discovered laying its eggs in the tiny bamboo shaft ...