which has earned the species the nickname of "red birds." Female cardinals, on the other hand, are more muted in color. They have mostly brownish feathers with red accents on their tails and wings.

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

They are the most well-known of the types of cardinals for most U.S. birders. Males have vibrant red feathers, which gives the species the nickname, “red birds.” Female cardinals are more ...