The barn swallow (Hirundo rustica) is the most widespread species of swallow in the world, occurring on all continents, with vagrants reported even in...

sexual adornment, since the tail is frequently longer in males. In barn swallows, the tail of the male is 18% longer than those of the female, and females...

widespread Palaeoarctic swallows such as the barn swallow (Hirundo rustica), sand martin (Riparia riparia) or red-rumped swallow (Cecropis daurica). In...

swallows are similar in body plumage colouring to the related barn swallow species but lack the characteristic fork-shaped tail of the barn swallow prominent...

considered a subspecies of the closely resembling barn swallow. However, the adult red-chested swallow differs in being slightly smaller than its migratory...

Hirundinidae (swallows and martins). The genus name is Latin for a swallow. These are the typical swallows, including the widespread barn swallow. Many of...

its family, starting towards the end of March, just in advance of the barn swallow. In northern Ohio, they arrive in numbers by mid-April, about 10 days...

It differs from the barn swallow and the closely related welcome swallow in its shorter and less forked tail. The Pacific swallow builds a neat cup-shaped...

Hirundo nigrorufa Barn swallow, Hirundo rustica (range extends beyond Africa, this is also the European swallow) Wire-tailed swallow, Hirundo smithii smithii...

swift (Apus apus) is a medium-sized bird, superficially similar to the barn swallow or house martin but somewhat larger, though not stemming from those passerine...