Agelaius -

: Young typically leave the nest 10–14 days after hatching. They are fed by parents for another 2–3 weeks before becoming independent.

The genus includes several species of New World blackbirds, most notably the widespread Red-winged Blackbird ( Agelaius phoeniceus ). These birds are known for their rapid development and highly territorial breeding habits. Developmental Stages agelaius

: They typically breed in marshlands, wetlands, or grassy areas near water, with females building deep cup-shaped nests lashed to reeds like cattails. Species Profiles yellow-souldered blackbird revised recovery plan - FWS ECOS : Young typically leave the nest 10–14 days after hatching