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 ...

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 ...