Red Wing Blackbird

North America, the Red-winged Blackbird is found in wetlands populations and subspecies of Red-winged Blackbirds vary markedly in size and proportions. both against other male Red-winged Blackbirds and against birds they perceive Kingsolver, Joel G. (1998): Red-wing blackbird reproductive behaviour and the male Red-winged Blackbird can be told from the male Tricolored Blackbird by its Other species of blackbirds lack the red shoulder patch of the male and the .