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Genus Tachycineta
Mangrove Swallow - There is a swallow in coastal Peru that resembles the Mangrove Swallow, but lacks the white head stripe. It is possibly a subspecies, but the geographical separation suggests that this little known form is a distinct species.
White-winged Swallow - The adult White-winged Swallow is 13.2 cm long and weighs 17 g. It has iridescent blue-green upperparts, white underparts and rump, and white edgings to the secondary flight feathers. The sexes are similar, but juvenile plumage is grey brown above apart from the white rump.
White-breasted Swallow - The Tree Swallow, Tachycineta bicolor, is a migratory passerine bird that breeds in North America and winters in Mexico, Central America and the Caribbean. It is a very rare vagrant to western Europe.
Bahama Swallow - This glossy Tachycineta swallow has a green head and back, blue upper wings, a black tail and wingtips, and a white belly and chin.
White-rumped Swallow - It is found in Argentina, Bolivia, Brazil, Paraguay, Peru, and Uruguay. Its natural habitats are dry savanna, subtropical or tropical seasonally wet or flooded lowland grassland, pastureland, and heavily degraded former forest.
Chilean Swallow - It is 11-13 centimeters in length. It is glossy blue-black above and white below with a white rump. It is similar to the White-rumped Swallow but lacks the white forehead of that species and has bluer upperparts and grey underwing-coverts.
Violet-green swallow - Adults are velvet green on their upperparts with white underparts and a forked tail; they have white patches on the side of the rump. The head is usually more coppery or brownish than the back, and the rump is a glossy violet color. In adult males, the white throat area extends behind and above the eyes; adult females are duller. Immature birds are brown on the upperparts.