Family Tanagers (Thraupidae)


Green Warbler-finch (Certhidea olivacea)


French: Géospize olive German: Waldsänger-Darwinfink Spanish: Pinzón de Darwin oliváceo

Certhidea olivacea


, 1837,

Santiago (formerly James Island), Galapagos Islands




Islands of Fernandina, Isabela, Santiago, Rábida, Pinzón, Baltra and Santa Cruz, in Galapagos Is.

Descriptive notes

10 cm; 8–12 g. A small Darwin’s finch with characteristically long and pointed, parulid-like bill, and short and weak tail. Male is plain sandy brown above, with... read more


Song, from tree or low bush, often high-pitched and includes buzzes, e.g. “piut-tze... read more


Can be found in most habitats and at most elevations on larger islands, but typically most common... read more

Food and feeding

Food small insects and spiders (Araneae). Alone, or in loose groups, often with other finches.


Nest built entirely by male, a sphere with entrance towards top and on side, made from dry grasses and other vegetation, often moss and... read more


Resident; possibly some short seasonal movements.

Status and conservation

VULNERABLE. Common and widespread through most of its range. No global population estimate, but 55,500 singing males estimated on Santa Cruz I alone in 2008 (well below the... read more

Recommended citation

Jaramillo, A. & Sharpe, C.J. (2020). Green Warbler-finch (Certhidea olivacea). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 27 February 2020).