American bullfrogs, which were once confined to much of eastern North America, have exploded around the world with dire consequences for native species. Now researchers say they may have found a way ...

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 ...

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 ...

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 ...

While invasive species can cause an incredible amount of environmental damage, there is still hope for many of the native plants and animals that have been pushed out of their natural habitats, as the ...

“One reason American bullfrogs are among the top worst globally introduced pests is because they eat everything — anything that fits into their mouth,” said senior author Brian Todd, a UC Davis ...

The nightly “singing” of frogs may be music to the ears of many, but when it comes to bullfrogs, conservationists simply want them to “croak.” “Bullfrogs are native to the United States east of the ...

The call of American bullfrogs was deafening when scientists from the University of California, Davis, first began researching the impact of invasive bullfrogs on native northwestern pond turtles at ...

Yosemite’s ponds used to echo with the booming calls of invasive bullfrogs, which devoured young turtles, newts, birds, and more. Now, with bullfrogs nearly gone, native sounds are returning—and so ...