Agelaius
: Males are aggressively defensive, famously attacking much larger animals, including hawks, horses, and humans, if they approach the nesting site.
: 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 agelaius
: Born altricial (naked and helpless), they possess one of the fastest avian growth rates , increasing their body mass by 9–10 times within the first few days. : Males are aggressively defensive, famously attacking much