An example of a phenomenon known as gynandromorphy, this rare half-male, half-female cardinal was spotted by bird-lovers in Pennsylvania. https://on.natgeo.com/2GmleVI | National Geographic

Up to six Northern Cardinals flock to the Cornell Lab FeederWatch Cam at once during this evening scene in Ithaca, New York. Cardinals are easy to attract to backyard feeders throughout their range—especially when sunflower seeds are on the menu. Watch for cardinals and more LIVE at AllAboutBirds.org/CornellFeeders | Bird Cams