Bird of the Month: Gynandromorphic Birds — Audubon Society of Northern Virginia
Rare half-male, half-female northern cardinal pictured in Pennsylvania
Ohio Birds and Biodiversity: Zanesville's Yellow Cardinal, revisited
Virginia State Bird – Cardinal – – 50states
Rare bird: 'Half-male, half-female' cardinal snapped in Pennsylvania - BBC News
Once-in-a-lifetime, half-male, half-female cardinal photographed in Pennsylvania
Female Northern Cardinal, in flight - Ohio Birds and Biodiversity
Monhegan Fall Weekend Maine Birding Field Notes
Half-Male, Half-Female Cardinal Spotted In Pennsylvanian Garden
cardinal pull up a chair
Purple Martin Maine Birding Field Notes
Pennsylvania bird watcher spots a stunning rare cardinal that is half male and half female