Family Hummingbirds (Trochilidae)

Least Concern

Blue-mantled Thornbill (Chalcostigma stanleyi)


French: Métallure de Stanley German: Schwarzkopf-Glanzschwänzchen Spanish: Colibrí de Stanley

Trochilus Stanleyi


, 1851,

cold regions of Pichincha and Cotopaxi, Ecuador


Three subspecies recognized.

Subspecies and Distribution
  • C. s. stanleyi (Bourcier, 1851) – both Andean slopes of Ecuador (Carchi S to Azuay).
  • C. s. versigulare J. T. Zimmer, 1924 – E slope in Peru (E of R Marañón) S to Cordillera Carpish (Huánuco); also Cordillera Blanca, on W slope.
  • C. s. vulcani (Gould, 1852) – E slope from S Peru (S of R Huallaga) to C Bolivia (Cochabamba).
  • Descriptive notes

    12–13 cm; male 6·2 g, female 4·5 g. Male has short, straight, black bill; body dark sooty brown; uppertail-coverts turquoise; crown and nape with bronzy... read more


    Main call a descending squeaky twitter followed by a mellower upslurred note and a downslurred “... read more


    Slopes with rather humid páramo and jalca vegetation, especially steep and... read more

    Food and feeding

    Feeds on nectar of small flowers of Berberis, Gauteria, Ribes and a tiny red Gentiana. Observed to... read more


    Probably breeds during rainy season as juveniles recorded in Mar at La Paz, Bolivia. Clutch two white eggs; incubation by female.


    The species has been shown to be opportunistic in its altitudinal distribution since it moves to... read more

    Status and conservation

    Not globally threatened. CITES II. Patchily distributed, but also fairly common. Locally endangered by destruction of Polylepis woods and degradation of p... read more

    Recommended citation

    Heindl, M. & Boesman, P. (2019). Blue-mantled Thornbill (Chalcostigma stanleyi). 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 14 December 2019).