AS IT HAPPENS: Bird watcher discovers rare 3-species hybrid warbler The cardinal is what scientists call a gynandromorph — an organism that displays both male and female sex characteristics.

A Pennsylvania bird watcher had what he calls a 'once-in-a-lifetime' encounter when a Northern cardinal perched in a tree appeared to be both male and female. James R. Hill III has marveled at the ...

In 2019, As It Happens interviewed birdwatcher Shirley Caldwell, who captured photos of a gynandromorph cardinal in Erie, Pa., with colouring split right down the middle — bright red male on its ...

A bright red bird is one of the most eye-catching wonders of nature. Beyond their beauty, there is a reason behind that pop ...

Half-female, half-male birds are a very rare phenomenon, explains Professor Brian Peer at Western Illinois University, who has surveyed bilateral gynandromorph northern cardinals in the US.

From male and female cardinals to cardinal sounds, here's some of the amazing biology behind this common red bird species.

A bird watcher in Pennsylvania, USA has released a photo of a bird that says 'the right half is male and the left half is female '. I have been birding for 48 years and yesterday (20 February 2021 ...

For the cardinal, the bright red side and the head is male, and the brown side is female. “What’s going on is that the bird has both male and female gonads, and they are both actively ...

Half-female, half-male birds are a very rare phenomenon, explains Professor Brian Peer at Western Illinois University, who has surveyed bilateral gynandromorph northern cardinals in the US.

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.