Ciconiiformes
Phylum: Chordata
Subphylum: Vertebrata
Class: Aves
Subclass: Neornithes (2,057 genera / 9,672 species)
Infraclass: Eoaves
Parvclass: Passerae
Superorder: Passerimorphae
Order: Ciconiiformes (254/1027)
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Suborder: Charadrii
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Infraorder: Pteroclides (sandgrouse)
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Family: Pteroclidae (2/16 – sandgrouse)
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Parvorder: Scolopacida
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Superfamily: Scolopacoidea
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Family: Thinocoridae (2/4 – seedsnipes)
Family: Pedionomidae (1/1 – plains-wanderer)
Family: Scolopacidae (21/88)
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Subfamily: Scolopacinae (woodcocks, snipes)
Subfamily: Tringinae (sandpipers, curlews, phalaropes)
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Family: Rostratulidae (1/2 – paintedsnipe)
Family: Jacanidae (6/8 – jacanas, lily-trotters)
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Superfamily: Chionidoidea
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Family: Chionididae (1/2 – sheathbills)
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Family: Burhinidae(1/9 – thick-knees)
Family: Charadriidae (16/89)
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Subfamily: Recurvirostrinae
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Tribe: Haematopodini (oystercatchers)
Tribe: Recurvirostrini (avocets, stilts)
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Family: Glareolidae (6/18)
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Subfamily: Dromadinae (crab-plover)
Subfamily: Glareolinae (pratincoles, coursers)
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Subfamily: Larinae
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Tribe: Stercorariini (skuas, jaegers)
Tribe: Rynchopini (skimmers)
Tribe: Larini (gulls)
Tribe: Sternini (terns)
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Infraorder: Falconides (osprey, hawks, eagles, caracaras, falcons)
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Parvorder: Accipitrida
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Family: Accipitridae (65/240)
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Subfamily: Pandioninae (osprey)
Subfamily: Accipitrinae (hawks, eagles, accipiters, kites)
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Family: Falconidae (10/63 – falcons, caracaras)
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Parvorder: Podicipedida
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Family: Podicipedidae (6/21 – grebes)
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Family: Phaethontidae (1/3 – tropicbirds)
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Superfamily: Suloidea
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Family: Sulidae (3/9 – boobies, gannets)
Family: Anhingidae (1/4 – anhingas, darters)
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Family: Phalacrocoracidae (1/38 – cormorants, shags)
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Superfamily: Ardeoidea
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Family: Ardeidae (20/65 – herons, egrets, bitterns)
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Family: Scopidae (1/1 – hamerkop [hammerhead])
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Family: Phoenicopteridae (1/5 – flamingos)
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Family: Threskiornithidae (14/34 – ibises, spoonbills)
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Family: Pelecanidae (2/9)
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Subfamily: Balaenicipitinae (shoebill)
Subfamily: Pelecaninae (pelicans)
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Family: Ciconiidae (11/26)
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Subfamily: Cathartinae (New World vultures)
Subfamily: Ciconiinae (storks)
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Family: Fregatidae (1/5 – frigatebirds)
Family: Spheniscidae (6/17 – penguins)
Family: Procellariidae (24/115)
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Subfamily: Procellariinae (petrels, shearwaters, diving-petrels)
Subfamily: Diomedeinae (albatrosses)
Subfamily: Hydrobatinae (storm-petrels)
