Tachycineta leucopyga
The Chilean Swallow (*Tachycineta leucopyga*) is a captivating aerial insectivore, known for its sleek, iridescent plumage and agile flight across diverse South American landscapes. This small to medium-sized swallow measures approximately 13 cm in length, boasts a wingspan of about 28 cm, and weighs a mere 13-15 grams. Its most striking feature is its brilliant, glossy blue-green upperparts, which contrast sharply with its pure white underparts and a conspicuous, diagnostic white rump, givin...
This adaptable swallow thrives in open, often disturbed, landscapes, typically near water sources such as rivers, lakes, and coastal areas. It is found across a wide elevational gradient, from sea level to over 4,000 meters in the Andean highlands.
The diet of the Chilean Swallow consists almost exclusively of a wide array of flying insects, including flies, beetles, and moths, which they capture with remarkable agility during sustained aerial forays.
Chilean Swallows are diurnal, active from dawn to dusk, often forming large, communal roosts in reeds or trees outside the breeding season. Their foraging strategy involves highly acrobatic aerial pursuits, deftly snatching flying insects mid-air with swift, continuous flight. During the breeding...
The Chilean Swallow boasts an extensive distribution across South America, primarily as a resident species throughout its range. It is found from Peru and Bolivia south through Chile, Argentina, Paraguay, and Uruguay, extending into parts of southern Brazil. While largely resident, some southern ...
Least Concern
- The scientific name *Tachycineta leucopyga* directly translates to "fast-moving white-rumped," perfectly describing its swift flight and key identification mark. - Unlike many cavity-nesting birds, Chilean Swallows are particularly fond of lining their nests with a thick layer of feathers, prov...