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 ...

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 ...

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 ...

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 ...

It was a full moon when Luke Tonsfeldt arrived at the rest stop in Minnesota’s Driftless region. For him, it wasn’t a pit stop; this was his destination. Soon, he would be waist-deep in a cold, ...

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 ...

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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 ...