Family Ovenbirds (Furnariidae)

Near Threatened

Equatorial Greytail (Xenerpestes singularis)


French: Queue-grise d’Équateur German: Roststirnschlüpfer Spanish: Colagrís sureño

Synallaxis singularis

Taczanowski and Berlepsch

, 1885,

Mapoto, 7000 feet [c. 2130 m], Ambato, Tungurahua, Ecuador


Sister to X. minlosi (which see). Monotypic.


Andes of Ecuador (E slope S from W Napo) S to N Peru (Cajamarca, San Martín).

Descriptive notes

11–12 cm; 11–15 g. Tiny, warbler-like furnariid. Has yellowish-white supercilium narrowing and disappearing in front of eye, lores grizzled buff and greyish,... read more


Song a dry trill, almost insect-like, c. 5 seconds long; call a dry “tsit”.


Montane evergreen forest, usually tall and epiphyte-laden; 1030–1700 m, occasionally to... read more

Food and feeding

Arthropods. Forages singly or in pairs, usually in mixed-species flocks, in canopy. Gleans food items from leaves and their bases, and from... read more


No published information. Nest-building reported in Jan in Ecuador. One hitherto unpublished record of a nest in Peru, a large structure c... read more



Status and conservation

Not globally threatened. Currently considered Near-threatened. Restricted-range species: present in Ecuador-Peru East Andes EBA. Rare to locally uncommon; as a canopy species... read more

Recommended citation

Remsen, J.V., Jr (2020). Equatorial Greytail (Xenerpestes singularis). 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 25 February 2020).