All Birds

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Oriental Bay-owl

Phodilus badius

Least Concern Tytonidae (Barn Owls)

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Oriental Cuckoo

Cuculus optatus

Least Concern Cuculidae (Cuckoos)

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Oriental Darter

Anhinga melanogaster

Least Concern Anhingidae (Anhingas & Darters)

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Oriental Dollarbird

Eurystomus orientalis

Least Concern Coraciidae (Rollers)

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Oriental Greenfinch

Chloris sinica

Least Concern Fringillidae (Finches)

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Oriental Hobby

Falco severus

Least Concern Falconidae (Falcons & Caracaras)

Oriental Honey-buzzard

Pernis ptilorhynchus

Least Concern Accipitridae (Hawks, Eagles & Kites)

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Oriental Magpie-robin

Copsychus saularis

Least Concern Muscicapidae (Old World Flycatchers)

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Oriental Paradise-flycatcher

Terpsiphone affinis

Least Concern Monarchidae (Monarch Flycatchers)

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Oriental Pied Hornbill

Anthracoceros albirostris

Least Concern Bucerotidae (Hornbills)

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Oriental Plover

Charadrius veredus

Least Concern Charadriidae (Plovers & Lapwings)

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Oriental Pratincole

Glareola maldivarum

Least Concern Glareolidae (Pratincoles & Coursers)

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Oriental Reed-warbler

Acrocephalus orientalis

Least Concern Acrocephalidae

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Oriental Scops-owl

Otus sunia

Least Concern Strigidae (True Owls)

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Oriental Skylark

Alauda gulgula

Least Concern Alaudidae (Larks)

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Oriental Stork

Ciconia boyciana

Endangered Ciconiidae (Storks)

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Oriental Turtle-dove

Streptopelia orientalis

Least Concern Columbidae (Pigeons & Doves)

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Oriente Warbler

Teretistris fornsi

Least Concern Teretistridae

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Orinocan Saltator

Saltator orenocensis

Least Concern Thraupidae (Tanagers)

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Orinoco Goose

Neochen jubata

Near Threatened Anatidae (Ducks, Geese & Swans)

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Orinoco Piculet

Picumnus pumilus

Least Concern Picidae (Woodpeckers)

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Orinoco Softtail

Thripophaga cherriei

Vulnerable Furnariidae (Ovenbirds)

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Orinoco Spinetail

Synallaxis beverlyae

Near Threatened Furnariidae (Ovenbirds)

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Oriole Blackbird

Gymnomystax mexicanus

Least Concern Icteridae (New World Blackbirds)

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Oriole Finch

Linurgus olivaceus

Least Concern Fringillidae (Finches)

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Oriole Warbler

Hypergerus atriceps

Least Concern Cisticolidae

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Oriole Whistler

Pachycephala orioloides

Least Concern Pachycephalidae

Ornate Hawk-eagle

Spizaetus ornatus

Near Threatened Accipitridae (Hawks, Eagles & Kites)

Ornate Lorikeet

Trichoglossus ornatus

Least Concern Psittaculidae (Old World Parakeets)

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Ornate Melidectes

Melidectes torquatus

Least Concern Meliphagidae (Honeyeaters)

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Ornate Pitta

Pitta concinna

Least Concern Pittidae (Pittas)

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Ornate Sunbird

Cinnyris ornatus

Not Evaluated Nectariniidae (Sunbirds)

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Ornate Tinamou

Nothoprocta ornata

Least Concern Tinamidae (Tinamous)

Ortolan Bunting

Emberiza hortulana

Least Concern Emberizidae (Buntings)

Osprey

Pandion haliaetus

Least Concern Pandionidae (Ospreys)

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Ou

Psittirostra psittacea

Extinct Fringillidae (Finches)