French: Martinet à tête grise German: Rußsegler Spanish: Vencejo canoso
C & S Brazil, E Paraguay (Oriente) and NE Argentina (Misiones); recorded also (and may breed) in Serranía de Huanchaca, in NE Bolivia.
18 cm; 60–98 g. Large swift with square or slightly rounded tail, long broad wings and bulky body; brown with paler head (forehead can appear quite whitish) and... read more
Calls include a short “tik” or “tip”, often repeated, and sometimes continuing as a short rattle or... read more
Breeds and roosts around waterfalls, feeding over nearby habitats. Recorded from lowlands to 1000 m... read more
Food and feeding
Feeds high over forest canopy during day. Gregarious, often associating with S. zonaris.
Colonial, nesting on horizontal ledges adjacent to or behind waterfalls, often in direct sunlight. Nests are disc-shaped cones of moss and... read more
Equivocal migratory status. Generally believed to be resident. Some authors have suggested... read more
Status and conservation
Not globally threatened (Least Concern). Generally common to locally abundant, though scarce to uncommon in Paraguay. Large numbers breed at Falls of Iguazú, in area... read more
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