When male northern cardinals perch amid evergreens highlighted with a dusting of snow, well, winter doesn't get much more greeting-card gorgeous than that. Because they're so handsome, cardinal images ...

Beautiful bird plumage these days matches the color pallet of wildflowers — cardinals as red as Indian paintbrushes, andbluebirds as blue as bluebonnets. It’s not happenstance. Wildflowers attract ...

Research looks at the evolutionary pathways to differences in bird plumage patterns between males and females -- and concludes that birds are able to adapt their appearance with remarkable ease.

Now is an ideal time to sharpen your bird-identification skills — it's the height of breeding season, and birds in bold plumage are being active. Here are five tips to lead you toward expertise: 1.

Egrets, herons and spoonbills show off their resplendent breeding plumage of silken white, blues and pinks as they crowd into trees budding out for spring. This island, in Clay Bottom Pond at Houston ...

I ran across a sweet little paper that will make behavioral ecologists tingle in delight. Not only is this paper based on a really lovely experimental design, but it focuses upon a cute little bird ...

With its dark plumage, sudden white flashes, and nomadic habits, Australia’s black swan continues to challenge expectations, ...

If you’ve seen a flash of black and orange at your bird feeder recently, it was probably a black-headed grosbeak. Adult males sport showy black, white and burnt orange plumage in the spring while ...

An extremely rare bird with half its body looking like a male and the other half like a female was captured recently at a nature reserve in southwestern Pennsylvania A gynandromorph rose-breasted ...