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The family name, Apodidae, is derived from the Greek ἄπους (ápous), meaning "footless", a reference to the small, weak legs of these most aerial of birds. [2] [3] The tradition of depicting swifts without feet continued into the Middle Ages, as seen in the heraldic martlet.
Common Swift chicks . The common 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 species, being in the order Apodiformes.
Grey-rumped swift (Chaetura cinereiventris) Band-rumped swift (Chaetura spinicaudus) Lesser Antillean swift (Chaetura martinica) Costa Rican swift (Chaetura fumosa) Pale-rumped swift (Chaetura egregia) Chimney swift (Chaetura pelagica) Vaux's swift (Chaetura vauxi) Chapman's swift (Chaetura chapmani) Ashy-tailed swift (Chaetura andrei)
The bird genus Apus comprise some of the Old World members of the family Apodidae, commonly known as swifts.. They are among the fastest birds in the world. They resemble swallows, to which they are not related, but have shorter tails and sickle-shaped wings.
In this list of birds by common name 11,278 extant and recently extinct (since 1500) bird species are recognised. [1] Species marked with a "†" are extinct. Contents
The white-throated swift (Aeronautes saxatalis) is a swift of the family Apodidae native to western North America, south to cordilleran western Honduras. [2] Its coastal range extends as far north as Northern California, while inland it has migratory populations found throughout the Great Basin and Rocky Mountain regions, ranging as far north as southern British Columbia. [2]
It is a small bird, but a medium-sized swift, with a wingspan of 12.5-14.5 cm. Its body size ranges from 14 to 16 cm and weighs approximately 20-35 g. This species has a dark, slightly forked tail. Other than the white rump band and white throat-patch, the house swift has a black plumage, darker than the little swift.
The white-naped swift (Streptoprocne semicollaris) is the largest representative of the swift family in the New World and one of the two largest species in the world. Only the purple needletail of Asia may be slightly larger. [2] This bird is found principally in western and central Mexico, with one record on the Guatemalan border.