The black saw-wing (Psalidoprocne pristoptera), also known as the blue saw-wing or black rough-winged swallow, is a small passerine bird in the swallow...

tricking her abusive husband. There are at least five species of saw-wing. The black saw-wing has a large number of subspecies and many of these are sometimes...

saw-wing (Psalidoprocne obscura), also known as the Fanti rough-winged swallow, is a small passerine bird in the swallow family. The Fanti saw-wing has...

The square-tailed saw-wing (Psalidoprocne nitens), also known as the square-tailed rough-winged swallow is a species of bird in the family Hirundinidae...

The swallows, martins, and saw-wings, or Hirundinidae are a family of passerine songbirds found around the world on all continents, including occasionally...

means "scraper wing" and the species name, serripennis, is derived from Latin and means "saw feather". In the common name, "rough-winged" refers to the...

The white-winged swallow (Tachycineta albiventer) is a resident breeding swallow in tropical South America from Colombia, Venezuela, Trinidad, and Argentina...

The sand martin's twittering song is continuous when the birds are on the wing and becomes a conversational undertone after they have settled in the roost...

song of the brown-throated martin is continuous when the birds are on the wing, and becomes a conversational undertone after they have settled in the roost...

The southern rough-winged swallow (Stelgidopteryx ruficollis) is a small swallow. It was first formally described as Hirundo ruficollis by French ornithologist...

9-20g. From the Gould collection in Tasmania a “natural size” male had a wing size of 11.1 cm (4.4 in), tail size of 7.4 cm (2.9 in), and a culmen of 0...

The white-headed saw-wing (Psalidoprocne albiceps), also known as the white-headed rough-winged swallow is a species of bird in the family Hirundinidae...

The mountain saw-wing (Psalidoprocne fuliginosa), also known as the mountain rough-winged swallow or the Cameroon Mountain rough-winged swallow is a species...

subgenus, Iridoprocne, on the basis of its plumage, along with the white-winged swallow, Chilean swallow, white-rumped swallow, and mangrove swallow. By...

East Africa: Kenya, Tanzania, Uganda, Rwanda, Burundi. London, UK: A&C Black. p. 294. ISBN 978-0-7136-7347-0. Retrieved 28 August 2014. Monroe, Burt...

small black bill, and its toes and exposed parts of the legs are pink. The sexes are similar, but the juvenile bird is sooty black, and some of its wing coverts...

and relatively broad wings, and weigh 40 g. Adult males are a glossy blue-black with contrasting white lower underparts. Females and juveniles are duller...

the air during flight. The birds are agile hunters and eat a variety of winged insects. Rarely, they will come to the ground to eat insects. They usually...

mainly black, and the legs are brownish-pink. The sexes are alike, but juveniles have buff-brown tips to the plumage of the head, upperparts and wing coverts...

usually flying low. They eat insects. "Rough-winged" refers to the serrated edge feathers on the wing of this genus; this feature would only be apparent...

Shari Rothenberg, a character in the television series 24 Shari Sawwing or black saw-wing (Psalidoprocne pristoptera), a bird in the swallow family Temple...

This species is a small swallow at 13 cm (5.1 in) in length. It has a blue-black back and crown with browner wings and tail, a red face and throat, and dusky...

ranges and wing length. T. t. thalassina has slightly longer wings and has been known to breed as far north as Alaska, while the shorter winged T. t. brachyptera...

courtship. In poor light, blue swallows appear almost black and therefore can be mistaken for black saw-wing swallows (Psalidoprocne spp.) which occur throughout...

the squarest tail. Distinctive species plumage features are the black chin and black undertail coverts of the Nepal house martin, and the greyish wash...

The black-and-rufous swallow (Hirundo nigrorufa) is a species of bird in the family Hirundinidae. It inhabits the miombo ecosystems of Angola, Democratic...

tinkerbird, yellow-rumped tinkerbird, cardinal woodpecker, olive woodpecker, black saw-wing, Angola swallow, Alpine swift, mountain greenbul, yellow-whiskered greenbul...

Left-wing politics describes the range of political ideologies that support and seek to achieve social equality and egalitarianism, often in opposition...

Right-wing populism, also called national populism and right populism, is a political ideology that combines right-wing politics with populist rhetoric...

Saw, also known as Saw: The Video Game, is a survival horror video game that was developed by Zombie Studios and published by Konami for PlayStation 3...