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 commonest Chaetura swifts throughout range, indeed abundant in some areas such as Río Negro Preserve, Colonia... read more
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