Large Ground-Finch
NameLarge Ground-Finch
Common NameLarge Ground-Finch
Scientific NameGeospiza magnirostris
FamilyThraupidae
Wingspan (cm)20
Length (cm)16
Weight (g)28
Plumage DetailsAdult males are entirely sooty black with a dark bill. Females and immatures are duller, brownish-grey with streaky underparts and a paler, often yellowish, bill.
Vocalization / CallIts vocalizations typically consist of a simple, repetitive, and somewhat wheezy song, often described as a 'chup-chup-chup' or 'tseee-tseee-tseee' sound.
Primary Dietgranivore
Primary Habitatsforest, desert
Conservation Statusleast-concern
Geographic RangeEndemic to the Galapagos Islands, found on several central and western islands including Fernandina, Isabela, Pinta, Santa Cruz, and Santiago.
Identifying Featuresexceptionally large, conical beak, dark plumage (males), streaky brown plumage (females/immatures), Galapagos endemic
Description
This robust finch is characterized by its exceptionally large, conical beak, which is adapted for cracking hard seeds. Males are typically entirely sooty black, while females and immatures are streaky brown. It forages primarily on the ground for its diet.
