What are male Eastern bluebirds called?

Male Eastern bluebirds are simply called "male Eastern bluebirds." They are characterized by their vibrant blue plumage on the back and a reddish-brown breast. In contrast, female Eastern bluebirds have more subdued colors, featuring a grayish-brown hue with some blue on the wings and tail. Together, they are known for their cheerful songs and are often seen in open fields and gardens.