She needs to "hide" while brooding her eggs. If she was red like the males, she would be easy to see and be attacked.
Yes, female cardinal birds are brown because their dick has to be Brown so, so are they
Male cardinals are bright red in color and female cardinals are a reddish brown.
You have described a female cardinal. Females are not red.
Northern Cardinal
Consult a field guide for cedar waxwing.
a cardinal's egg is white with brown speckles.
A cardinal Has a red stomace grayish colored wings and a black mask with a orange beakMale cardinals are a bright vibrant reddish color.However the female's coloration is a more reddish brown color.
The male cardinal is bright red. Male birds always have the brightest colors. That is how he attracts a female. Guess the bird guys gotta be handsome to catch a lady bird.
Perhaps the cardinal sees herself reflected in the window and assumes it is another female cardinal trying to invade her territory.
The northern cardinal and the brown-headed cowbird have a symbiotic relationship. The brown-headed cowbird lays its eggs in the cardinal's nest (and in the nests of other species, too, such as the yellow warbler). This harms the cardinal's chances to reproduce. It's a parasitic relationship.
Brown bird with very red beak in MA is a female Cardinal
A cardinal is a small bird. They are most notoriously bright red, but can also sometimes be grey, or brown, depending on region and gender. The cardinal's genus is Cardinalis.