It sometimes hybridizes with the lazuli bunting. Monotypic. Length 5.5". Highly sexually dimorphic. Summer male: plumage unmistakable, entirely bright blue. Winter male: blue obscured by brown and ...

Learn how to identify an indigo bunting. Listen for the males’ finch-like songs and buzzy, rattling calls. Bird sounds courtesy of the Cornell Lab of Ornithology Find out what a lazuli bunting ...