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 frogs ...

The Utah Department of Natural Resources hopes to encourage residents to catch invasive bullfrogs — by tweeting about how delicious they are. In February, the department tweeted a reminder that it’s ...

After six years and thousands of euthanized bullfrogs, a campaign to control the invasive species in the Upper Deschutes Basin is starting to show results. The number of bullfrogs visible in pools of ...

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., where it ...

The call of American bullfrogs was deafening when scientists from UC Davis first began researching the impact of invasive bullfrogs on native northwestern pond turtles at Yosemite National Park. “At ...