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 ...

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 ...

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.

Spring sometimes motivates me to get up at an hour that seems totally unreasonable at any other time of year. And so, when I stepped outside at 5 a.m., I was surprised to be greeted by 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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Male cardinals are red. Female cardinals are tan. The odd bird that's been roosting outside Jeff ...