Native to the eastern U.S. and Canada, the bullfrog has been introduced throughout the west. Bullfrogs are voracious predators and may have contributed to the decline of a number of native Pacific coast amphibians.

Voice: Advertisement call is a deep-pitched bellow or bray, variously described as jug-o-rum or barroom, that can be heard from a long distance.

Breeding: In the west from May to late August in slow-moving or still water with aquatic vegetation.