Bullfrog populations in Minnesota are spreading rapidly due to the popularity of bullfrog tadpoles being used in backyard water gardens. The Minnesota Department of Natural Resources ...

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 ...

THREATS: Destruction of vegetative habitat by livestock, conversion of natural springs, pools, and wetlands to stock tanks, and introduction of exotic species to cattle stock tanks are hurting the ...

The frog is also threatened by introduced species: Bullfrogs and green frogs compete with Oregon spotted frogs for food, while fish introduced for sport fishing may also compete for prey — or prey on ...