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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.
The Apodiformes / ˈ æ p ə d ɪ f ɔːr m iː z / is an order, or taxonomic grouping, of birds which traditionally contained three living families—the Apodidae (swifts), the Hemiprocnidae (treeswifts), and the Trochilidae (hummingbirds); however, in the Sibley-Ahlquist taxonomy, this order is elevated to the superorder Apodimorphae, in which hummingbirds are separated into a new order, the ...
The swift family remains one of the more complicated groups of birds in taxonomic research, but the swiftlet tribe is a rather well-defined group. Its internal systematics is confusing; the plumage is usually dull, with shades of black, brown, and gray; from their outward appearance, most species are very similar.
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)
Most Apus swift species nest in rocky areas, and the majority will accept human habitations as a substitute for natural sites. The Pacific swift is a colonial species that nests in sheltered locations such as caves, crevices in vertical rock faces (including sea-cliffs), or under the eaves of houses. The nest is a half-cup of feathers, dry ...
If, by chance, the bird is looking away from you, then Doolittle believes that the red Cardinal has messages for you, but "you may be missing [them] by being too busy or too distracted from your ...
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]