Bird watcher Shirley Caldwell was looking out at the bird feeders in her backyard when the Erie, Pennsylvania, resident spotted an unusual bird: it was a half-male, half-female cardinal. National Geographic writes that the bird’s anomaly is known as a bilateral gynandromorph, in which half of a creature’s body is male and the other half […]
Bird watcher Shirley Caldwell was looking out at the bird feeders in her backyard when the Erie, Pennsylvania, resident spotted an unusual bird: it was a half-male, half-female cardinal. National Geographic writes that the bird’s anomaly is known as a bilateral gynandromorph, in which half of a creature’s body is male and the other half […]
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