चरा

चरा वा पक्षी (एभ्स) जन्तु जगतको एक प्राणी समूह हो । चरा समूहमा पर्ने प्राणीहरूको पहिचान प्राणीको प्वाँख,चोंच र पखेटाबाट गर्न सकिन्छ ।यिनीहरूको डुंगाको आकारको शरिर र पुच्छरले यिनीहरूलाई उड्नमा मद्दत पर्याउँछ। विश्वभरमा चराका धेरै प्रजातिहरू छन् । कतिपय प्रजातिहरू त अझै खोजविनबाटै बञ्चित छन्। नेपालमा ८८६ प्रजातिका चराहरू पाइन्छन् ।हरेक चराको आफ्नै आफ्नै विषेशता हुन्छ।

चरा सामयिक शृङ्खला:
विभिन्न प्रजातिका चराहरू Red-crested turaco, shoebill, white-tailed tropicbird Row 2: Steller's sea eagle, grey crowned crane, मुजुर Row 3: मलेवा, Anna's hummingbird, Atlantic puffin Row 4: Southern cassowary, rainbow lorikeet, American flamingo Row 5: Gentoo penguin, grey heron, blue-footed booby Row 6: Bar-throated minla, Eurasian eagle-owl, keel-billed toucan
वैज्ञानिक वर्गीकरण
जगत:	जनावर
सङ्घ:	रज्जुकी
Clade:	Ornithurae
वर्ग:	चरा Linnaeus, 1758
विद्यमान श्रेणी वर्गिकरण तथा अस्थायी सिमाङ्कन
See orders * Infraclass Palaeognathae Superorder Struthionimorphae Struthioniformes (Ostrichs) – 58?–0 Mya, Late Paleocene?–Present Superorder Notopalaeognathae Rheiformes (Rheas) – 56–0 Mya, Late Paleocene–Present Tinamiformes (Tinamous) – 10–0 Mya, Middle Miocene–Present Casuariiformes (Casowaries and Emus) – 58.7–0 Mya, Late Paleocene–Present Apterygiformes (Kiwis) – 23.03–0 Mya, Early Miocene–Present Infraclass Neognathae Superorder Galloanserae Galliformes (Gamebirds) – 45–0 Mya, Middle Eocene–Present Anseriformes (Waterfowl) – 71–0 Mya, Late Cretaceous (Maastrichtian)–Present Superorder Neoaves Phoenicopteriformes (Flamingos) – 50–0 Mya, Early Eocene–Present Podicipediformes (Grebes) – 25–0 Mya, Late Oligocene–Present Columbiformes (Pigeons and doves) – 23.03–0 Mya, Early Miocene–Present Mesitornithiformes (Mesites) – No fossil records Pterocliformes (Sandgrouse) – 33.9–0 Mya, Late Oligocene–Present Apodiformes (swifts, treeswifts and hummingbirds) – 52–0 Mya, Early Eocene–Present Caprimulgiformes (Nightjars, nighthawks, potoos, oilbirds, frogmouths and owlet-nightjars) – 59.2–0 Mya, Middle Paleocene–Present Cuculiformes (Cuckoos, anis, etc) – 34–0 Mya, Late Miocene–Present Otidiformes (Bustards, floricans, etc) – 13–0 Mya, Middle Miocene–Present Musophagiformes (Turacos and go-away-birds) – 24–0 Mya, Late Oligocene–Present Opisthocomiformes (Hoatzin) – 33.9–0 Mya, Late Eocene–Present Gruiformes (Cranes, crakes, rails, wood-rails, fluftais, gallinules, limpkins, trumpeters, finfoots and sungrebes) – 66–0 Mya, Late Cretaceous (Maastrichtian)–Present Charadriiformes (Plovers, crab plovers, lapwings, seagulls, puffins, auks, sandipipers, buttonquails, stilts, avocets, ibisbills, woodcocks, skuas, etc) – 75–0 Mya, Late Cretaceous (Campanian)–Present Gaviiformes (Loons) – 70–0 Mya, Late Cretaceous (Maastrichtian)–Present Procellariiformes (petrels, storm petrels, albatrosses and diving petrels) – 33.9–0 Mya, Early Oligocene–Present Sphenisciformes (penguins) – 62–0 Mya, Early Paleocene–Present Ciconiiformes (storks, openbills and jabirus) – 30–0 Mya, Early Oligocene–Present Suliformes (boobiess, gannets, fregatbirds, cormorants, shags and anhigas) – 90–0 Mya, Late Cretaceous (Turonian)–Present Pelecaniformes (pelicans, ibises, shoebills, egretts, herons, etc) – 66–0 Mya, Late Cretaceous (Maastrichtian)–Present Eurypygiformes (sunbitterns and kagu) – 56–0 Mya, Late Paleocene–Present Phaethontiformes (tropicbirds) – 58.7–0 Mya, Late Paleocene–Present Cathartiformes (New World vultures) – 41–0 Mya, Middle Eocene–Present Accipitriformes (eagles, Old World vultures, secretary-birds, hawks, harriers, etc) – 47–0 Mya, Late Eocene–Present Strigiformes (owls) – 30–0 Mya, Early Oligocene–Present Coliiformes (mousebirds) – ~65–0 Mya, Early Paleocene–Present Leptosomiformes (cuckoorollers) – No fossil record Trogoniformes (trogons and quetzals) – 49–0 Mya, Early Eocene–Present Bucerotiformes (hornbills, hoopoes and wood-hoopoes) – ~40–0 Mya, Middle Eocene–Present Coraciiformes (rollers, bee eaters, todys, kingfishers, etc) – 41.2–0 Mya, Middle Eocene–Present Piciformes (woodpeckers, flickers, toucans, aracaris, motmots, etc) – 56–0 Mya, Early Eocene–Present Cariamiformes (seriema) – 66–0 Mya, Late Cretaceous (Maastrichtian)–Present Falconiformes (falcons and caracaras) – 50–0 Mya, Early Eocene–Present Psittaciformes (parrots and cockatoos) – 50–0 Mya, Early Eocene–Present Passeriformes (passerines) – 52.5–0 Mya, Early Eocene–Present
पर्याय
Neornithes Gadow, 1883

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