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, ...

Conservation gets complicated when a native U.S. species is appreciated in one part of the country, but despised in another. Consider, if you will, the American bullfrog. “In the Eastern U.S ...

Conservation gets complicated when a native U.S. species is appreciated in one part of the country, but despised in another. Consider, if you will, the American bullfrog. “In the Eastern U.S ...

WOODRUFF: Like, (imitating American bullfrog) kind of noise that they do. Once one starts, another one starts, and then it becomes this, like, big, deafening chorus.

American bullfrog populations have exploded around the world with dire consequences for native wildlife. But researchers say they may have found a way to help these species rebound.

Native to the eastern United States, American bullfrogs were intentionally introduced to Yosemite in the 1950s, with the first bullfrog documented in The Ahwahnee Hotel's reflection pond in 1955 ...

The bullfrogs captured in the video above are most likely American bullfrogs (Lithobates catesbeianus).Native to North America, these massive frogs can grow more than 8 inches long and weigh up to ...

The American bullfrog is three-times the size of a northern leopard frog and can eat the smaller frogs with ease. So, before releasing the northern leopard frogs, ...