Add Yahoo as a preferred source to see more of our stories on Google. A northern cardinal, photographed Feb. 20 in the Grand Valley area of Warren County, Pa., is a rare bilateral gynandromorph that ...

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 ...

(WISH) — A rare bird has been spotted in central Texas and is taking the internet by storm. The Inland Bird Banding Association posted three photos of a northern cardinal to its official Facebook page ...

Plumage is a term that refers to the characteristics of a bird's feathers. Shown here is the normal plumage of an adult northern cardinal. The female northern cardinal is often thought of as not ...

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.