Great-billed Seed-Finch
NameGreat-billed Seed-Finch
Common NameGreat-billed Seed-Finch
Scientific NameSporophila maximiliani
FamilyThraupidae
Wingspan (cm)15
Length (cm)14
Weight (g)17.5
Plumage DetailsAdult males are entirely glossy black with a prominent white patch on the primary coverts of the wing. The large, conical bill is pale, often whitish or light grey. Females are dull brown overall with a paler belly and a similar large, pale bill.
Vocalization / CallThe song is a complex series of clear, whistled notes, often varied and melodious. Calls include sharp 'chip' notes.
Primary Dietgranivore
Primary Habitatsgrassland, wetland, forest
Conservation Statuscritically-endangered
Geographic RangeFound in disjunct populations across South America, primarily in Brazil, Bolivia, Paraguay, and Argentina. It is highly localized and rare throughout its range.
Identifying Featuresexceptionally large, pale, conical bill, glossy black plumage (male), white patch on primary coverts (male), small, stocky body
Description
This small, stocky finch is characterized by its exceptionally large, conical bill. Males are entirely glossy black with a distinctive white patch on the primary coverts, while females are dull brown. It typically forages for seeds in dense vegetation.
