Jeffrey and Shirley Caldwell have been attracting birds ... male, half female with colors split down the middle and this half-orange, half-brown lobster.) Part of what makes this particular ...

an unusual cardinal has appeared, displaying both male and female traits. Scientists say it may be a so-called gynandromorph. By Karen Weintraub A bird hopping outside the window lately is the ...

The male cardinal in this video clip is not very subtle as he checks out a female - read our analysis of this behavior.

Gynandromorphs have been found among insects, birds, and even chickens, but can’t always be spotted. Because male and female cardinals look markedly different, the gynandromorphs among them can ...

And occasionally a bird that is female on one side and male on the other is produced – as in recent reports of this cardinal in the United States. In humans, cells in females have two copies of a ...

"It was one of the experiences of a lifetime," Hill said about the bird that was bright red like a male cardinal on one side and brownish white like a female on the other. Known as a bilateral ...

"It was one of the experiences of a lifetime," Hill said about the bird that was bright red like a male cardinal on one side and brownish white like a female on the other. Known as a bilateral ...

“Theoretically, this bird could either mate with a normal male cardinal and lay fertile eggs, or it could mate with a normal female cardinal and father her eggs!” Northern cardinals are widely ...

Continue reading to learn more about the birds, including the special spiritual significance some folks believe cardinals ...

“I don’t think Walmart did their research on the difference between male and female Cardinal birds,” says Aidan. In fact, only male Cardinal birds are bright red. The female birds are less ...

A zoologist from the University of Otago in New Zealand spotted a rare bird with distinct half-male and half-female plumage ... and stick insects. Cardinals and the rose-breasted grosbeak have ...