The male ruby-throated hummingbird does indeed have ... Females provide all care for young hummingbirds. They lay one to three eggs, incubate them for about two weeks, and, after hatching, feed ...

Age/sex differences as ruby-throated except as noted. Adult male: black throat with violet-blue lower band. Adult female: black-violet spots rare on throat. Immature male: Throat usually has black ...