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 ...

This story appears in the April 2011 issue of National Geographic magazine. Emerging from a partially frozen pond more than 6,000 feet high in the Alps, European common frogs (Rana temporaria ...

However, Nat Geo points out that some frogs like South America’s Pacman frog have a diet that should require teeth; but their gnashers are actually fake. If it sounds strange to lose ...

Eleven endangered male frogs that traveled 7,000 miles in a bid to save their species from extinction have “given birth” to ...