- Most widespread of the mockingbirds in Galápagos: lives on all major islands except those islands and adjacent islets currently or formerly inhabited by one of the other 3 species (Española, San Cristóbal, Floreana) and also absent from Pinzón
- Size varies among several subspecies; includes smallest mockingbirds in the archipelago
- Cooperative breeder on most islands: non-breeders act as helpers at nests in their group's territory, and some breeders help raise nestlings in nests other than their own
- Social system and demography studied intensively on Isla Genovesa by R. L. Curry, P. R. Grant, M. F. Kinnaird, and N. Grant, 1978-1990
Hatchling Galápagos Mockingbird on Isla Genovesa
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Subordinate begging behavior by juvenile Galápagos Mockingbird on Isla Genovesa
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