Frogs, like butterflies and salamanders, have what is called a "bi-phasic life cycle." They undergo metamorphosis to grow from their larval stage, as a non-reproductive tadpole that swims underwater, ...

Eiffinger's tree frogs lay eggs in an isolated water bodies such as a gap between plant stems. Their tadpoles hold onto their poop for months to reduce risk of contaminating their small spawning areas ...

A 161 million-year-old fossil, linked to a line of extinct frog-like amphibians, is the oldest tadpole ever found. By Asher Elbein The metamorphosis of a frog from baby to adult is one of nature’s ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Paleontologists don’t always get what they are digging for. In ...

Brian Gutierrez: Werewolves aren’t real. Everyone knows that. But stay with me for a moment while I tell you about the spadefoot frogs—specifically, their tadpoles, which just might be the closest ...