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 ...

Sidney Woodruff has spent multiple summers hiking six or seven miles to a remote corner of Yosemite National Park where she has camped out next to ponds and lakes. "At night," Woodruff says, "you look ...

A move by the federal government to protect an inland turtle that lives in freshwater and wetlands mainly west of the Cascades is drawing support from thousands of environmentalists but opposition ...

Turtles haven’t changed much over the past 100 million years or so, but the world around them surely has. With the proliferation of roadways, rapid habitat loss and the introduction of human-made ...

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 ...

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 ...

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 ...