The Brewer's blackbird (Euphagus cyanocephalus) is a medium-sized New World blackbird. It is named after the ornithologist Thomas Mayo Brewer - best known as the joint author, with Baird and Ridgway, of A History of North American Birds (3 volumes, 1874), which was the first attempt since John James Audubon's (thirty years prior) to complete the study of American ornithology. The male Brewer’s Blackbird is a glossy, almost liquid combination of black, midnight blue, and metallic green. Females are a staid brown, without the male’s bright eye or the female Red-winged Blackbird’s streaks.
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