Subterranean frogs exist, but none are as unique as the Indian purple frog. Learn about this underground and elusive frog ...

When handled, these treefrogs secrete a sticky toxin as a defense, which can be irritating to mucous membranes of people or ...

How a Tadpole Becomes a Frog The dramatic changes of the process are stimulated by thyroid hormone. The level of hormone is regulated by a feedback system involving the hypothalamus of the brain ...

A tiny tadpole breaks out. It lands partway down the ... Life, even an entity as seemingly simple as a frog egg, is flexible. It has options. At five days or so, red-eyed tree frog eggs ...

Once the most abundant and widespread frog species in North America, leopard frogs were widely collected not only for dissection but for the food industry (frog legs) as well. However, massive ...