The bird boasts an orange head and neck with a bright yellow-orange beak. The bird's body is olive-green and blue overall, but its underside has a grayish-orange coloration. These kingfishers are ...
American white pelican has a large, heavy beak that's yellow-orange in color. Besides catching fish, pelicans use their bills to get rid of excess salt ...
The two-colour discs had different pairs of colours selected from an orange-to-red spectrum. This mirrors the colour range found in the male songbird beak. One idea was that the birds would be ...