French: Martinet à croupion gris German: Graubürzelsegler Spanish: Vencejo ceniciento
P. L. Sclater
Bahia, east Brazil
Subspecies and Distribution
C. c. phaeopygos
Hellmayr, 1906 –
NE Honduras#R, E Nicaragua to NW Panama.
C. c. occidentalis
Berlepsch & Taczanowski, 1884 – W Colombia, W Ecuador and extreme NW Peru (Tumbes).
C. c. schistacea
Todd, 1937 – Andes in W Venezuela (Mérida) and E Colombia (to Boyacá).
C. c. lawrencei
Ridgway, 1893 – N Venezuela (including Margarita I), Trinidad, and S Lesser Antilles (Grenada).
C. c. guianensis
E. J. O. Hartert, 1892 – E Venezuela and W Guyana.
C. c. sclateri
Pelzeln, 1868 – Ashy-rumped Swift – S Venezuela patchily through S Colombia, NW Brazil (upper Amazonia) and E Peru to NW Bolivia.
C. c. cinereiventris
P. L. Sclater, 1862 – Grey-rumped Swift – SE Brazil (S from SE Bahia), E Paraguay and NE Argentina (Misiones).
10·5 cm; 13·5–20·5 g (race lawrencei). Smallish swift with short square tail, rectrix spines up to 7 mm beyond web, protruding head and... read more
Main calls of race cinereiventris are a bright repeated short “tsip” and a characteristic... read more
Main habitats defined as tropical lowland evergreen forest, montane evergreen forest, flooded... read more
Food and feeding
Flying ants, bees, wasps, beetles and flies taken. In a study in the Coastal Cordillera of Venezuela, prey items included c. 33%... read more
Collected in breeding condition in N Antioquia, Colombia, in Mar–Apr; breeds in SE Brazil from Sept/Oct to Feb/Mar and in Costa Rica... read more
Resident throughout much of range, though incompletely known. In Paraguay possibly a breeding... read more
Status and conservation
Not globally threatened (Least Concern). One of the commonest Chaetura swifts throughout range, indeed abundant in some areas such as Río Negro Preserve,... read more
Only subscribers are able to see the bibliography. Login or Subscribe to get access to a lot of extra features!