“This remarkable bird is a genuine male/female ... cardinal— ever sing). In the meantime, the Caldwells get to observe this rare visitor from their kitchen window. They say it likes to feed ...

“When the male is courting a female, he will gently pass a seed ... He immediately stopped crying and watched the cardinal feed at the feeders for a while. The male came down shortly after ...

A brilliant red male cardinal was gently feeding two ... When the babies fledge, the male will feed and care for them while the female goes off to start a new nest to raise another brood.

A "once-in-a-lifetime” sighting made by a Pennsylvania birdwatcher took internet flight in late February 2021 when photographs claimed to capture a half-male, half-female northern cardinal.

Male cardinals get bright ... that mimicking male coloration helps female white-necked jacobins avoid social harassment from other hummingbirds while feeding. This research shines light on the ...

Because male and female cardinals look markedly different, the gynandromorphs among them can be easily spotted. Male cardinals are the deep-red color commonly associated with the bird, but female ...

PENNSYLVANIA (NEXSTAR/WGN) — A longtime birdwatcher in Pennsylvania had what he called a “once-in-a-lifetime” bird sighting — a rare cardinal that appeared to be half male and half female.

“Differences between young and old birds, male and female ... Mr. Yellow feeding chicks in a nest after being observed spending a lot of time with a female cardinal. But the chicks left the ...

Jeffrey and Shirley Caldwell photographed a "half-male, half-female" cardinal in their own backyard ... like this in all the years we've been feeding," Shirley Caldwell told National Geographic.

A rare half-male, half-female cardinal was spotted in Erie, Pa., according to National Geographic. The bird showed up 10 yards from the home of Jeffrey and Shirley Caldwell, who regularly feed birds.