Federal officials say pond turtles are nearing extinction from Washington state to Mexico. The U.S. Fish and Wildlife Service proposed protecting the turtles as a threatened species on Friday. Fewer ...

Sidney Woodruff of UC Davis holds a northwestern pond turtle at a field site in Yosemite. (Courtesy Sidney Woodruff) The call of American bullfrogs was deafening when scientists from the University of ...

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 ...

YAMHILL COUNTY, Oregon — Conservationists in Oregon are racing to protect one of the state’s only native freshwater turtle species from becoming endangered. The Northwestern Pond Turtle, a semiaquatic ...

Keystone species are those that exist in an ecosystem to keep it functioning at its healthiest levels possible. These animals may be predators or herbivores. They may be large or small. 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 ...