Red-winged Blackbirds differ greatly in plumage between the sexes. They nest in wetlands during breeding; the North American account describes a diet of mainly insects in summer and seeds in fall and winter.
Males have glossy black bodies with red and yellow shoulder patches. Females are brown and finely streaked overall.
During breeding, it nests low among marsh plants or in similar vegetation, and the female weaves the nest. In the North American seasonal account, birds eat mainly insects in summer and seeds in fall and winter.
An extinction-risk assessment has not been added yet.