Eastern bluebird singing (Sialia sialis) North America, Bermuda. | BIRDS & Nature

female bluebird (referring to the common Eastern Bluebird, though similar traits apply to Western and Mountain Bluebirds): Female bluebirds have a softer color palette compared to males. They usually have a grayish-blue back, wings, and tail with an orange-brown chest and a white belly. This muted coloring provides better camouflage, especially during nesting. Female bluebirds do most of the nest-building work, using grasses, pine needles, and soft materials. They usually nest in tree cavities o