Camouflage takes many forms in the natural world. Some animals are born with skin or coats that blend in naturally with their environment. Some Old World lizards like the chameleon have an almost ...

She pulls on a broad green leaf still attached to a branch and points out a shiny clutch of jellylike eggs. “These guys are hatchable,” she says. Red-eyed tree frogs, Agalychnis callidryas ...

Suctioned to a leaf bottom in the rainforests ... and sometimes clusters of eggs. Many have green bones to camouflage their legs. The northern glass frog, which ranges from southern Mexico to ...