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 ...

The lifespan of Xenopus laevis is presented in unprecedented detail using high-quality X-ray microtomography images and 3D reconstructions to reveal embryonic development and metamorphosis processes ...

Unlike their relatives, individuals of the poison frog Allobates femoralis are not poisonous but are captivating due to their different behavioral profiles: They successfully reproduce with different ...

Tadpoles see well underwater, but what happens when they become frogs and live primarily on land? Researchers, curious about the answer, found the eyes of tadpoles undergo a surprising number of ...

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, ...

Tadpoles are to frogs as oranges are to apples. They are so very different, University of Cincinnati Professor Daniel Buchholz said. In his biology lab, he and his students are using a National ...

Paleontologists working in Patagonia have unearthed the oldest-known fossil of a tadpole—and it was a whopper, measuring in at more than six inches long, the size of an adult human hand. The specimen, ...

An artist depicts the tadpole and frog individuals of the Notobatrachus degiustoi species. The oldest known tadpole fossil, which belongs to this species, was found in the Patagonia region of ...

MILWAUKEE (CBS58) -- The spring show at the Mitchell Park Domes focuses on the rebirth of nature and some of its species. "Metamorphosis: The Lives of Frogs and Butterflies" opens at 9 a.m. on ...

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Paleontologists working in Patagonia have unearthed the oldest-known fossil of a tadpole—and it was a whopper, measuring in at more than six inches long, the size of an adult human hand. The specimen, ...