Suctioned to a leaf bottom in the rainforests of South and Central America, glass frogs seem to vanish in plain sight—the transparent skin of their undersides erasing the hard edges of their ...

The oldest tadpole fossil ever has been found—and it’s a big one. The discovery in Patagonia shows that frogs have had a tadpole stage for at least 160 million years.

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 ...

Frogs bred at the L.A. Zoo are hatched and raised to ensure their development. After reaching maturity, these frogs and ...

This tadpole larger than a human hand could never become a frog. Here's what we know Arizona’s 10-inch bullfrog polliwog was discovered in 2018.

Glass frogs are a group of tree frogs found in the rainforests of Central and South America. June 6, 2025 e-Paper. LOGIN Account. eBooks Subscribe GIFT FRONT PAGE. Search. Live Now. News.

A fossil of the world’s oldest tadpole alongside a 3D-printed model of what it may have looked like. “It’s starting to help narrow the timeframe in which a frog becomes a frog,” said Ben ...

Some tadpoles don’t poop for the first weeks of their lives. At least, that’s the case for Eiffinger’s tree frogs (Kurixalus eiffingeri), scientists report September 22 in Ecology. Eiffinger ...

The Eiffinger's tree frog found in Japan has a unique biological adaptation: its tadpoles do not defecate during their early developmental stages to reduce the risk of contaminating their ...