Quick Take Boulenger’s backpack frog carries eggs in a dorsal pouch on its back instead of dropping them into water. This ...

Some ocean animals have a clever form of camouflage—they’re transparent. But being see-through is far less common on land. “And there’s a few reasons why that may be.” Jim Barnett is a postdoctoral ...

The glass frog's translucent stomach skin offers a window into its internal organs. New research finds this odd seeming trait may help the frogs evade predators. Jorge GarcÍa / VW Pics / Universal ...