Vampire Ground-Finch
NameVampire Ground-Finch
Common NameVampire Ground-Finch
Scientific NameGeospiza septentrionalis
FamilyThraupidae
Wingspan (cm)19
Length (cm)13
Weight (g)18
Plumage DetailsAdult males are entirely dull black with a black bill. Females and immatures have streaky brown plumage on their upperparts and paler, streaked underparts, often with a yellowish or orange-tinged bill.
Vocalization / CallVocalizations include simple, repetitive songs consisting of sharp, high-pitched notes or buzzes. Calls are typically sharp 'tseep' or 'chup' notes.
Primary Dietomnivore
Primary Habitatsdesert, coastal
Conservation Statusvulnerable
Geographic RangeEndemic to the Galapagos Islands, primarily found on the remote Wolf and Darwin islands, and occasionally on nearby islets.
Identifying FeaturesAll-black plumage (adult males), Stout, pointed black bill, Small size (typical finch), Known for blood-drinking behavior, Restricted geographic range to Wolf and Darwin islands
Description
This small, dark finch is famous for its unusual diet, which includes drinking the blood of other seabirds. Males are entirely black, while females and immatures are streaky brown. They possess a stout, pointed bill adapted for a varied diet.
