Here’s some facts you might not know about Kentucky’s State Bird — the Cardinal. Both the male and female cardinals sing. The songs typically last 2 to 3 seconds and sound like the bird is saying ...

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 ...

A birdwatching couple in northwestern Pennsylvania has documented one of nature's most rare and elusive occurrences. Jeffrey and Shirley Caldwell, two experienced birdwatchers based in Erie, lured of ...

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.

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, ...

The longer winter goes on, with its monochrome palette, leafless branches and profound silence, the more we appreciate the brilliantly red Northern cardinal. Cardinals visit our backyards and feeders ...

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 ...

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 ...

In a backyard in Erie, Pa., an unusual cardinal has appeared, displaying both male and female traits. Scientists say it may be a so-called gynandromorph. By Karen Weintraub A bird hopping outside the ...