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Barn swallow at the moment when its beak touches the water to have a drink in Bagmati River, Nepal A reflection flight of barn swallow The barn swallow has an enormous range, with an estimated global extent of about 250,000,000 km 2 (97,000,000 sq mi) and a population of 190 million individuals.
An artificial purple martin nesting colony The barn swallow is the national bird of Estonia. [48] They also are one of the most depicted birds on postage stamps around the world. [49] [50] [51] Swallows are tolerated by humans because of their beneficial role as insect eaters, and some species have readily adapted to nesting in and around human ...
European red-rumped swallows are somewhat similar in habits and appearance to the other aerial insectivores, such as the related swallows and the unrelated swifts (order Apodiformes). They have blue upperparts and dusky underparts. They resemble barn swallows, but are darker below and have pale or reddish rumps, face and neck collar. They lack ...
The red-chested swallow (Hirundo lucida) is a small non-migratory passerine bird found in West Africa, the Congo Basin and Ethiopia. It has a long, deeply forked tail and curved, pointed wings. [2] It was formerly considered a subspecies of the closely resembling barn swallow.
The cave swallow measures 12 to 14 cm in length and weighs 19 g on average. The largest of the five subspecies, P. f. pallida, has an average wing length between 107.0 and 112.3 mm; the smallest subspecies, P. f. aequatorialis, has an average wing length between 93.0 and 93.5 mm. Differences between the sexes are minimal, both are similar in size and weight and are difficult to distinguish ...
The sand martin (Riparia riparia), also known as collared sand martin or common sand martin, and in the Americas as the bank swallow, is a migratory passerine bird in the swallow family Hirundinidae. It has a wide range in summer, embracing practically the whole Holarctic area, from Europe, across Asia to the Pacific Ocean, and throughout North ...
The violet-green swallow (Tachycineta thalassina) is a small North American passerine bird in the swallow family. These aerial insectivores are distributed along the west coast from Alaska to Mexico , extending as far east as Montana and Texas .
The welcome swallow (Hirundo neoxena) is a small passerine bird in the swallow family Hirundinidae that is native to Australia and nearby islands. It has self-introduced into New Zealand in the middle of the twentieth century. [2] It is very similar to the Pacific swallow with which it is often considered conspecific.