Once the most abundant and widespread frog species in North America, leopard frogs were widely collected not only for dissection but for the food industry (frog legs) as well. However, massive ...

This story appears in the March 2017 issue of National Geographic magazine. These frogs put the “group” in “group sex”—and that helps them thrive. Of all vertebrates, gray foam-nest tree ...

However, Nat Geo points out that some frogs like South America’s Pacman frog have a diet that should require teeth; but their ...

to National Geographic’s Tim Vernimmen. Previously, some researchers thought the age gap between the first known frogs and ...