The birds are now looking extra snazzy—bright and glossy, dressed to impress in their breeding plumage. Colorful, shiny ...

Was the Yorkshire tanager an escape? And why did news of the Booted Eagle in the Chilterns go out late? Our columnist ponders ...

A turkey with a double beard and black wings was icing on the cake for a Mississippi hunter after his son harvested his first ...

The nation’s grassland birds, spread across 320 million acres in 14 states, have declined 43% since 1970, more than any other ...

Biologists have long debated why some plants and animals can adjust to a wide range of climates, while others can't.