Editor's note: Because of production problems, some readers did not receive the complete version of this story in Tuesday's editions. Turtle No. 13 is pretty much like western pond turtles everywhere.

“Pond turtle” is something of a misnomer, because this reptile more frequently lives in rivers and spends a lot of time in terrestrial habitats. As the West Coast's only native freshwater turtle, the ...

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 ...

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 ...