A California bullfrog waits for his turn to compete during the annual frog jump competition at the State Capitol in Sacramento, California, Monday, April 30, 2013. (Randy Pench/Sacramento Bee/MCT) ...

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

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 ...

African bullfrogs (Pyxicephalus adspersus) are large frogs that live across sub-Saharan Africa and prefer areas where water is plentiful and fresh. These monster frogs can be found anywhere with ...

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

Scientists found huge “aggressive” animal with “whoop”-like call in Namibia and discovered new frog species: Beytell’s bullfrog, study said.

Despite efforts beginning in the late 1990s to remove the bullfrog from Buenos Aires, the Chiricahua leopard frog blinked out from the refuge in 2001, Sigafus said.

Turquoise bullfrog in Yamhill County is likely an unusual color because the frog's skin lacks a gene for yellow. Victor Berthelsdorf “They’re really pretty, actually,” Berthelsdorf said.

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 ...

Most frogs and other amphibians hatch as fish-like larvae called tadpoles, ... considers the bullfrog an invasive aquatic animal species introduced to the western U.S. in the early 1900s for ...

The frogs have a new place to hop — in the sack. A Suffolk County town installed a “tunnel of love” under a busy roadway in an effort to preserve its local frog population — and it’s ...