The American bullfrog is native to the eastern United States but was introduced in the West. Voracious eaters with large mouths, their diets can include birds, bats, rodents, newts, snakes, and ...

American bullfrog populations have exploded around the world with dire consequences for native wildlife. But researchers say they may have found a way to help these species rebound. American bullfrogs ...

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 ...

Survey turtles, track rare frogs, and hunt scorpions by night in this wild Nevada adventure. Join Outdoor Nevada host Connor Fields on a wild Nevada adventure as he surveys western pond turtles at ...

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 ...

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 ...