Black-billed Seed-Finch
NameBlack-billed Seed-Finch
Common NameBlack-billed Seed-Finch
Scientific NameSporophila atrirostris
FamilyThraupidae
Wingspan (cm)15
Length (cm)14.5
Weight (g)21.5
Plumage DetailsAdult males are entirely glossy black with a stout, conical black bill. A small white patch is visible at the base of the primary feathers, especially in flight. Females are dull brown overall, with a slightly paler belly and a dark bill.
Vocalization / CallKnown for a rich, melodious, and powerful song, often consisting of clear, whistled phrases and trills. Calls include sharp 'chip' notes.
Primary Dietgranivore
Primary Habitatsgrassland, forest, wetland
Conservation Statusleast-concern
Geographic RangeFound in western South America, primarily in the lowlands of eastern Peru, northern Bolivia, and western Brazil.
Identifying FeaturesAll-black plumage (male), Stout, conical black bill, Melodious song, White patch at primary base (male, visible in flight), Dull brown plumage (female)
Description
The Black-billed Seed-Finch is a medium-sized, stout-billed songbird. Males are entirely glossy black, while females are dull brown. They are typically found in dense vegetation near water and are known for their powerful, melodious songs.
