Just before Christmas, two backyard birders in Michigan were in for the ultimate surprise–a yellow Northern Cardinal. Arlene ...

A Northern Cardinal is a striking sight when you go ... The birds can produce over 24 beautiful and complex tunes. Both female and male cardinals sing, but the female's song is often longer ...

The northern cardinal is the state bird and lives in ... and they are one of few species of birds that both male and female can sing,” Hudmon says. He noticed customers’ interest in birding ...