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 ...

Editor's note: Jamie Hill was misidentified in a previous version of this story. Longtime birder Jamie Hill of Waterford knew he'd come across something rare when he saw the northern cardinal that ...

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 ...

An incredibly rare bilateral gynandromorph Northern Cardinal — essentially, half-female half-male — was cited over the weekend in the Grand Valley area. A similar bird in Erie was featured in the New ...

A rare half-male, half-female cardinal sighting last week in western Pennsylvania has birders and scientists across the state a-twitter. Seasoned birder Jamie Hill, of Waterford, Erie County, snagged ...

ERIE, Pa. – Longtime birder Jamie Hill knew he'd come across something rare. The Waterford, Pennsylvania, man saw a northern cardinal that appeared to be male on its right side and female on its left.

Editor's note: The video above is from Feb. 2021, and features Andrea Tims who runs a bird sanctuary in Maine. A Pennsylvania man hopped on Facebook, ecstatic to tell everyone he knew about the ...

There’s no flitting around it, this is a rare bird. A cardinal that appears to be half-female and half-male was recently spotted in Pennsylvania. Jamie Hill, a birdwatcher for 48 years, documented the ...