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 ...

California’s native Western Pond Turtle tends to lie low during the winter. But in the warmer months, it’s at its most active. You might occasionally spot the turtle basking on a sunlit log around ...