Field researchers began studying the birds’ behavior, diet and breeding patterns to understand their needs and challenges better. Wild takahe face challenges raising two chicks at once ...

Fossilized feces—also known as “coprolites”—can shed light on “the last day or two [of] behavior ... learn more about the diets of extinct flightless birds called moa that once roamed ...

The ivory-billed woodpecker recently went from near total obscurity to superstardom when birders reported a sighting of the believed-to-be-extinct species. The world's third largest woodpecker was ...

In fact these frogs are extinct in more than 93 percent of their old mountain homes. The mountain yellow-legged frog has two populations that have been declared separate subspecies: a northern and ...