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Swifts are related to swallows. The Swallows are recognized by their long, pointed wings, forked tail and excessively short tarsi. (Figuier, 1869).

Swift

Swifts are related to swallows. The Swallows are recognized by their long, pointed wings, forked tail…

"The coloration of the twenty or more species of Cypselus is sooty-black or mouse-brown, frequently exhibiting a metallic gloss, while the collar, rump, abdomen, or edges of the feathers may be white. A forked tail is not uncommon. The common Swift, or Deviling of Britain, is found through Europe, North Africa, and Asia, southwards t the Himalayas, migrating to South Africa, Madagascar, and Southern Asia." A. H. Evans, 1900

Common Swift Flying Through the Air by a Structure and a Tree with its Mouth Open

"The coloration of the twenty or more species of Cypselus is sooty-black or mouse-brown, frequently…