A northern cardinal, photographed Feb. 20 in the Grand Valley area of Warren County, Pa., is a rare bilateral gynandromorph that displays male characteristics on the right half of its body and female ...

At first it was described as being half one species and half another. Well, Hill investigated and was told that the bird was a male Northern Cardinal.

Northern Cardinal Courtship – as male and female Northern Cardinals bond during mating season, the male will frequently engage in “mate feeding,” where he will feed the female beak-to-beak ...

And yes, he verified he was seeing it too,” Arlene McDaniel said. Scientists estimate the male northern cardinal’s genetic mutation that makes it yellow also makes it a 1-in-10 million bird.