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 ...

What Does a Northern Cardinal Bird Look Like? It’s hard to resist a northern cardinal bird. They’re lively, bright and amazing songsters. Amid the browns, blues and greens of the natural world, ...

Shirley and Jeffrey Caldwell don’t fashion themselves professional birdwatchers, but they dabble. “We just watch out the window, and we have some feeders,” Shirley told NBC News. But they know enough ...

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 ...

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 ...

A "once-in-a-lifetime” sighting made by a Pennsylvania birdwatcher took internet flight in late February 2021 when photographs claimed to capture a half-male, half-female northern cardinal. The ...

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 ...