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 ...

As fall continues with some sunny weather, gardening is still on our radar. You may have questions. For answers, turn to Ask an Expert, an online question-and-answer tool from Oregon State ...

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 ...

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 ...

Bullfrogs are the elite athletes of the amphibian world, with a thrilling leap that can surpass 21 feet. But back home in their ponds, they’re nothing but trouble. On the eve of this weekend’s famed ...

It’s not just bullfrogs that threaten other species in Cache Creek, it’s also the common red-eared “slider” turtle. Both the bullfrog and red-eared turtle are considered invasive species and are ...

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 ...