One hundred years after Libby's first participation in Audubon's Christmas Bird Count the 2025 count became notable for more ...

A pigment that makes feathers and hair orange helps prevent cellular damage by removing excess cysteine from cells.

Birds are some of nature’s most beautiful creatures — but a few of our feathered friends are truly bizarre — like these 25 ...

The nest parasites get a bad rap for making other birds raise their young, but study by study, Mark Hauber and his “Cowbird ...

In the spring of 2023, we returned to Península Valdés, a rugged coastal region in Argentine Patagonia, expecting to witness the familiar sights and ...

The Arctic Skua is a seabird that is polymorphic for dark, intermediate and pale phenotypes of plumage. The melanic, dark and intermediate males can find mates sooner in the breeding season than the ...

Mandarin ducks are painted in a rainbow of colors. Their coloration looks like something out of a Disney fairytale, yet they ...

People for and against letting transgender girls and women play on female school sports teams gathered at The Supreme Court ...

A mixture of anxiety and excitement coursed through Keanini Aarona in the weeks before five Hawaiian crows, or ʻalalā, were ...

A healthy garden attracts more than pollinators. It can bring California quail, too. Discover how these social birds help ...

Forestry officials in Poland said an emu was spooked by fireworks and fled more than a mile into a forest before being ...

The Supreme Court seems likely to uphold state laws barring transgender girls and women from playing on school athletic teams ...