Bullfrogs are fascinating amphibians with an impressive repertoire of sounds. Their name comes from the male’s deep, resonant “mooing” call, which sounds a lot like a cow or bull. However, the weird ...

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 ...

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 ...

The moon is high over the Mission Valley as Briana Rentschler’s kayak slips silently into a marshy wetland near the Ninepipe ...

“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 ...

African bullfrogs approach parenting a little differently from many other species. It is the males who take on the heavy lifting when it comes to childcare duties. The dad in this extraordinary ...