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 ...

In the process, he learned that a male cardinal will joust with a mirror only when it is placed within 110 feet of its nest. Beyond that distance, a cardinal will ignore the image.

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 ...

Dr. Peer watched the bird over two winters, but it eventually was pushed out of the teacher’s yard by a male cardinal that aggressively defended its territory. The gynandromorph wasn’t seen again.

A birdwatching couple in Erie, Pennsylvania, spotted a rare bilateral gyandromorph cardinal in their backyard. The bird appears to be half-male and half-female.

An extremely rare yellow cardinal spotted in Shelby County earlier this year now appears to be the father to two hatchlings, according to the two Alabama residents who originally discovered and ...

Exclusive video reveals half-male, half-female cardinal Birdwatchers in Erie, Pennsylvania, found an incredibly uncommon bird—in their backyard. ANIMALS WEIRD & WILD ...

Hill, 69, who has been watching birds for 48 years, said he'd never seen one comparable with the bilateral gynandromorph northern cardinal. "This has been the most exciting," he said. Contact Dana ...

The rare half-male, half-female Northern Cardinal was spotted by birth-watcher Jamie Hill in Pennsylvania on February 20 (Jamie Hill) Your support helps us to tell the story Read more ...

Bright red cardinals are commonly part of Christmas cards, holiday decor and the general spirit of wintertime. This bird, called the Northern Cardinal, is North Carolina’s state bird (six other ...

Gynandromorphs, or "half-siders," exist in many bird, crustacean and butterfly species. According to Hooper, cardinal half-siders are especially easy to spot because male and female birds of the ...