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 ...

While poking around the garden the other day I found an adorable visitor. A small frog called a gray tree frog (Hyla versicolor) resting among the brightly colored flowers. This amazing little ...

These frogs are the wood frog, pictured above; the spring peeper; the gray tree frog; and the similar Copes gray tree frog.

While poking around the garden the other day I found an adorable visitor. A small frog called a gray tree frog (Hyla versicolor) resting among the brightly colored flowers. This amazing little ...