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 ...

was thought to be extinct in some countries By Danna Staaf The horned marsupial frog, which carries its eggs in a pouch on its back, lives in the canopy of tropical rainforests. Javier Aznar ...

The glass frog has translucent skin. If you are lucky enough to find one ... The use of herbicides and pesticides in the United States along its migratory route has depleted Milkweeds, the only plant ...

It has options. At five days or so, red-eyed tree frog eggs, developing right on schedule, can suddenly take a different path if they detect vibrations from an attacking snake: They hatch early ...