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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The American bullfrog is native to the eastern United States but was introduced in the West. Voracious eaters with large mouths, ...

“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 U.S. Fish and Wildlife Service is thinking of adding some federal protections for a turtle found in Oregon. The western pond turtle is found in fresh water and wetlands west of the Cascades. It is ...

A northwestern pond turtle hatchling at a study site in Yosemite. Credit: Sidney Woodruff/UC Davis The call of American bullfrogs was deafening when scientists from the University of California, Davis ...