the easiest way to tell the difference between a male and female cardinal lies in the bird's coloring. As is typical with birds, the male's feathers are brighter and more flashy than the female's ...

A female cardinal, with its more muted colors, can symbolize elegance and grace. Both birds have beautiful, distinctive songs ...

All kinds of animals use conspicuous colors. Research from biologists at the University of Arizona found it's a quirk of ...