Their feathers are more of an olive-brown color with tinges of red. Northern cardinals have one thing over many other birds ...

Though we can never really know for sure what colors cardinals and other birds prefer, observation of their behavior has yielded some insights. Flowers are sometimes named for their appeal to birds: ...

(While Stanford University’s nickname is cardinals, it refers to the color red and not the bird.) Cardinals also are well represented in Christmas cards, home décor and more. Virginia Flatau ...