Immature male northern cardinal, Cardinalis cardinalis, also known as the redbird or the common cardinal, photographed at Newton Hills State Park, South Dakota, USA. Image: Terry Sohl, 1 October 2010 ...

(Phys.org)—Ornithologists Brian Peer and Robert Motz, with Western Illinois University, found themselves with a unique opportunity a couple of years ago—to study a gynandromorphy in its native ...

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A biological sciences professor is receiving attention for his research and publication on a bilateral gynandromorph bird found in the wild. More specifically, the bird has the brownish-gray feathered ...

Northern cardinal, Cardinalis cardinalis (synonym, Richmondena cardinalis; protonym, Loxia Cardinalis), Linnaeus, 1758, also known as the common or red cardinal ...