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 California red-legged frog, an iconic native species and the largest native frog in the American West—also once featured ...

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 ...

In a battle for amphibian supremacy in the Upper Deschutes basin, the invasive bullfrog is winning. These large frogs tend to muscle the smaller Oregon spotted frog out of its native habitat or ...

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 ...

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 ...

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