Family Tanagers (Thraupidae)

Least Concern

Grey Warbler-finch (Certhidea fusca)


Taxonomy

French: Géospize gris German: Laubsänger-Darwinfink Spanish: Pinzón de Darwin gris
Taxonomy:

Certhidea fusca

P. L. Sclater and Salvin

, 1870,

Pinta (formerly Abington Island), Galapagos Islands

.

Genetic variation in this species relatively small, but population on Española (race cinerascens) represents a separate clade#R. Seven subspecies recognized.

Subspecies and Distribution
  • C. f. becki Rothschild, 1898 – Darwin I and Wolf I, in extreme NW Galapagos Is.
  • C. f. fusca P. L. Sclater & Salvin, 1870 – Pinta and Marchena, in N Galapagos Is.
  • C. f. mentalis Ridgway, 1894 – Genovesa, in N Galapagos Is.
  • C. f. bifasciata Ridgway, 1894 – Santa Fe, in C Galapagos Is.
  • C. f. ridgwayi Rothschild & E. J. O. Hartert, 1899 – Floreana, in S Galapagos Is.
  • C. f. luteola Ridgway, 1894 – San Cristóbal, in SE Galapagos Is.
  • C. f. cinerascens Ridgway, 1890 – Española, in SE Galapagos Is.
  • Descriptive notes

    10 cm; 8 g. A small Darwin’s finch with characteristically long and pointed, parulid-like bill, short and weak tail. Has pale sandy-grey head and upperparts, slightly... read more

    Voice

    Often song a repeated series of notes, “chip-pi’pi’pi’pi’pi”,... read more

    Habitat

    Arid lowlands of small and low islands. May forage on dry sand beaches at very edge of vegetation. read more

    Food and feeding

    Eats small insects and spiders (Araneae). Adults feed nestlings solely with arthropods. Usually forages in middle storey, but will use all... read more

    Breeding

    Season Jan–May, on Genovesa beginning soon after first rains; up to three clutches laid within one season. Nest built by male alone,... read more

    Movements

    Resident.

    Status and conservation

    Not globally threatened. Common and widespread.

    Recommended citation

    Jaramillo, A. (2018). Grey Warbler-finch (Certhidea fusca). 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 https://www.hbw.com/node/62164 on 23 June 2018).