Male Brewer's Blackbirds are glossy black with yellow eyes, while females are brown. The species uses open habitats from grasslands to parks and city streets.
Males are glossy black with yellow eyes and purple-blue iridescence on the head that shifts to green on the body. Females are brown, darkest on the wings and tail.
It forages on the ground for seeds and grain, and takes insects during the breeding season. It often joins mixed flocks and perches on high wires.
An extinction-risk assessment has not been added yet.