Get to know the American bullfrog, the giant amphibian with the bull-like bellow, and one of North America’s most widespread frog species.

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Exposed to a sick American bullfrog tadpole, a healthy tadpole will do its best to stay away. Garden ants and even lobsters also know to stay away when one of their own is sick. These animals are ...

American bullfrog DNA has turned up not far from the only known habitat of Pithecopus rusticus — a small, critically endangered tree frog that lives in Brazil. These neon green, orange and black ...

The American bullfrog and the leopard frog were once the only options for frog keepers, but now there is a far wider variety of frogs to choose from. With the success of captive breeding programs, ...

The American bullfrog and brown tree snake have collectively caused $16.3bn ... where they pose a greater threat of extinction to native animals and fauna. Image source, Getty Images.

YOU could have the eye of a hawk if you can spot the animal hidden in these leaves. Somewhere in this image is a shy American Bullfrog but can you spot it in under 10 seconds? The American Bu… ...