Family Swifts (Apodidae)

Data Deficient

White-fronted Swift (Cypseloides storeri)


French: Martinet de Storer German: Weißstirnsegler Spanish: Vencejo frentiblanco

Cypseloides storeri

Navarro et al.

, 1992,

Puerto del Gallo, Guerrero, Mexico


Thought to be closely related to C. cryptus; status much debated, and considered a race of C. cryptus by some authorities. Monotypic.


Mountains of Jalisco, Colima, Michoacán and Guerrero, in SW Mexico.

Descriptive notes

14 cm; 39·5 g. Medium-sized swift with short square tail and squat body; sooty black-brown with greyish chin, lores and forehead. Structure and plumage very like C... read more


Voice unknown. As all other Cypseloides swifts have diagnostic voices, sound recordings of... read more


Collected at 1500–2500 m in forested areas with numerous waterfalls and ravines. Guerrero... read more

Food and feeding

Not known. A presumed individual of this species was observed in a flock of c. 100 swifts comprising 80–90 S. rutila, 4 ... read more


A male with enlarged testes was collected in Jun.


Lack of information makes migratory status equivocal. May be resident or breeding visitor... read more

Status and conservation

Not globally threatened. Currently considered Data Deficient. Restricted-range species: present in Sierra Madre Occidental and Trans-Mexican Range EBA and Sierra Madre del... read more

Recommended citation

Chantler, P., Sharpe, C.J. & Boesman, P. (2020). White-fronted Swift (Cypseloides storeri). 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 16 February 2020).