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 ...

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 ...

A "constellation of eyes" welcomed Sidney Woodruff the first time she went nighttime frog spotting at Yosemite National Park. Her headlamp lit up thousands of eyes that belonged to the invasive ...

Scientists found a huge “aggressive” animal with a “whoop”-like call in Namibia and discovered a new species of frog, a study said. Photo from Louis du Preez As a canopy of stars unfurled across the ...

As a canopy of stars unfurled across the landscape of Namibia, a “golden” creature sat in a shallow pond. The animal’s size and “aggressive” nature made it easy to spot. When scientists found the huge ...