For bird watchers, cardinals are among the most striking and beloved birds in North America, thanks to their bright feathers and melodic songs. It’s always exciting to spot one of these ...

Typically, male cardinals have bright red plumage, while females are "buffy brownish," Hill said in his Facebook post. Hill says he spotted the cardinal Saturday.

A longtime birdwatcher in Pennsylvania spotted what he called a “once-in-a-lifetime” bird encounter — a rare cardinal that appeared to be genetically half male and half female.

He said the rare cardinal "behaved totally normal." But, in theory, he said that it could mate with either a female cardinal or a male cardinal, depending on which of its hormones were active ...