When a homeowner in northern Florida looked out at her bird feeders the first weekend in March, she thought she saw a red-headed woodpecker. There was a brown bird nibbling at the wild bird seed with ...

Male cardinals are red. Female cardinals are tan. The odd bird that's been roosting outside John and Shirley Caldwell's kitchen in Erie, Pennsylvania, is an even split of both. Divided down the middle ...

Researchers have discovered an extraordinary, vibrantly colored tropical bird with "female" feathers down one side of its body and "male" feathers down the other. Female green honeycreepers ...

An extremely rare 'mutant' bird that is half male and half female has been discovered in Colombia. Scientists have revealed that a bird with half its feathers green and the other blue features both ...

NEW YORK - Colombia is a bird watcher’s paradise. Its stunningly diverse ecosystems – which include mountain ranges, mangrove swamps, Caribbean beaches and Amazonian rainforests – are home to more ...

Bird banders in Cook Township banded a one-in-a million bird — a rose-breasted grosbeak with half its body looking like a male and the other half, a female. The bird was banded on Sept. 24 at Carnegie ...

Biologists have long pondered why males in most species are more colorful than females. Darwin's theory of sexual selection ...

Thanks to the developmental fusion of male-female bird twins into one individual, this northern cardinal is half red and half tan -- split lengthwise down its middle -- and is half male and half ...

A homeowner in north Florida spotted the rare bird when it stopped for something to eat at her bird feeder, she told McClatchy News. Nick Nicholson via Unsplash When a homeowner in northern Florida ...