This video explores the life cycle of various animals including butterflies and frogs, showing how animals change as they ...

The world’s amphibians are in trouble. Because of their sensitivity to climate change, habitat loss, and pollution, they may be the canary in the coalmine for the nascent anthropogenic mass extinction ...

PORTLAND, Ore. (KTVZ) — A hundred imperiled northern leopard frogs will be hopping back into the wild soon, thanks to a recovery program at the Oregon Zoo. The rapidly growing tadpoles were brought to ...

Some tadpoles break the rules of biology. Instead of developing lungs as they grow, they lose them entirely and still manage to survive. A recent study from Cornell University found that these ...

Inside the African clawed frog, intestines grow just like humans’: neatly coiled counterclockwise. Experiments now show how that process can go awry. Interfering with tadpoles’ metabolism leads to a ...