Conservation gets complicated when a native U.S. species is appreciated in one part of the country, but despised in another.

On one end of the beer garden, there’s a nondescript teardrop trailer that’s catching people’s curiosity. The sign reads Bullfrog Botanicals, and it has a green cross. It’s a small, ...

Island ecosystems are thought to be more vulnerable to invasive species - where they pose a greater threat of extinction to native animals and fauna. Getty Images The American bullfrog is known to ...

LAS VEGAS — As a result of petitions from the Center for Biological Diversity, the U.S. Fish and Wildlife Service announced ...

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 ...

That same year, American bullfrogs, an alien species unseen in the area before the March 2011 Great East Japan Earthquake and tsunami caused the nuclear disaster, were found in Soma. Although the ...