Española (formerly Hood Island), Galapagos Islands.
Considered conspecific with G. propinqua in HBW (and elsewhere), but recent molecular study found present species to be closer to G. magnirostris (despite latter being confined to same island as propinqua) than to propinqua itself#R. Race darwini, treated as conspecific with present species when joined with propinqua, might belong to either species but is here assigned to G. magnirostris (which see). Monotypic.
Española, in SE Galapagos Is.
Food and feeding
Status and conservation
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