Red-Winged Blackbird

Red Winged Blackbird is a sexually dimorphic bird species. The males can identified as having glossy black feathers with a red and yellow patch on its shoulders. The females are brown with black spots. Blackbirds are extremely aggressive and are extremely polygynous, which means that one male can have up to 15 different mates. They are also of lest concern because they are one of the most abundant bird species in North America. But over the past couple of years their population has been on an decrease because of habitat lost. They are also closely related to brown headed-cowbirds and flock with them.