A photograph of a giant, green-and-yellow tadpole longer than a human hand turned up in an X post on Feb. 12, 2025. At the time of this reporting, the post had received more than 296,000 views.

Have you ever wondered how city life affects animals like frogs? A new study reveals that urban Túngara frog tadpoles develop ...

The fossilization of the tadpole's "delicate structures," like its eyes and gills, allowed for a detailed analysis of the ...

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.

An American bullfrog tadpole, left, is bigger than the young native northwestern pond turtle in this photo. Bullfrogs often prey on native turtles in the western U.S., contributing to their decline.

Frogs can be found in the fossil record as early as the Late Triassic (around 217–213 million years ago)—but tadpoles had previously only been known to go back to the Cretaceous Period ...

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 ...

BILLINGS - With one 30-yard sweep of their bag seine, Earl Radonski and Brad Olszewski captured about 1,000 American bullfrog tadpoles from a side channel of the Yellowstone River at ...

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.