Wood frogs are highly dependent on environmental conditions to determine whether they are active. After fattening up during the summer, wood frogs enter brumation in the fall as temperatures cool.

East Rock seventh grader Jeryl searches for frog’s large intestines… Credit: Maya McFadden Photos …while others check out the frog’s tongue and teeth. East Rock School seventh graders Leia and Lesly ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. It looks dead for months, its body packed with ice. But ...

Each winter, Portland volunteers "taxi" Northern red-legged frogs to and from their egg-spawning ground. The service protects them from becoming roadkill on a highway. In Portland, Oregon, where I ...