Male cardinals typically have bright red feathers that signal to potential mates that they are healthy and virile. Female cardinals have a mixture of duller shades of gray, brown and red because they do not have to impress potential mates with the bright colors and elaborate posturing observed in males.Know More
The color difference observed between the plumage of male and female cardinals is a type of sexual dimorphism. Sexual dimorphism means that males and females exhibit different physical and behavioral traits that clearly identify each sex.
Male cardinals can be aggressive when defending their claimed territory, and they may attack other males that intrude.Learn more about Birds
The northern cardinal's diet consists primarily of insects, seeds, grains, fruit and sap. The official bird of seven U.S. states, the cardinal is a popular presence at backyard bird feeders all across the country and in southern Canada.Full Answer >
Adult barred rock roosters crow, have larger wattles, combs, bodies and spurs, have pointed hackle feathers and saddle feathers, and the male comb develops earlier than on females. Hens have a comb that flops to the side and round or oval-shaped hackle feathers.Full Answer >
The differences between male and female blue jays are that males generally gather nest materials and food, while the females do most of the building of the nests and incubate the eggs. The differences between male and female blue jays can be determined by observing their mating and nesting habits. The size of males and females is similar, and they share similar feather colorings.Full Answer >
Male budgies have a blue- or purplish-colored cere at the top of their beaks, while females have a highly textured brown, white or tan cere. It is more difficult to tell the difference between male and female pastel budgies, which tend to be light colored all over.Full Answer >