Male cardinal in first clip, then female cardinal, at backyard bird feeder eating safflower seeds, with snow on the top. Female flies away at the end of her clip. Cardinalis Both birds are gorgeous.

The beautiful male cardinal bird in this hilarious YouTube clip is very interested in a female and is not being subtle about it! The obvious way he is checking her out may seem amusing to us, but ...

A bright red bird is one of the most eye-catching wonders of nature. Beyond their beauty, there is a reason behind that pop ...

He said the rare cardinal "behaved totally normal." But, in theory, he said that it could mate with either a female or male cardinal, depending on which of its hormones were active during mating ...

Half-female, half-male birds are a very rare phenomenon, explains Professor Brian Peer at Western Illinois University, who has surveyed bilateral gynandromorph northern cardinals in the US.

The couple spotted a rare half-male, half-female cardinal. They told National Geographic that the bird first showed up one morning a few weeks ago in a tree about 10 yards from their house.

Half-female, half-male birds are a very rare phenomenon, explains Professor Brian Peer at Western Illinois University, who has surveyed bilateral gynandromorph northern cardinals in the US.