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| Name of Bird | Scientific Name | Photographer | Species Distribution | Additional Information |
| Oahu Alauahio (or Oahu Creeper) | Paroreomyza maculata | ... | Oahu in Hawaii | MORE
INFO 1
MORE INFO 2 |
| Oahu Amakihi | Hemignathus chloris | Oahu Nature Tours | Oahu, Hawaii | MORE INFO |
| Oahu Oo | Moho apicalis | ... | Oahu in Hawaii | MORE INFO |
| Oasis Hummingbird | Rhodopis vesper | Nick Lowton | Peru, Chile | ... |
| Oak Titmouse - see Plain Titmouse | ... | ... | ... | ... |
| Oaxaca Screech-Owl | Otus lambi | ... | Mexico | ... |
| Oaxaca Sparrow | Aimophila notosticta | ... | Mexico | MORE INFO |
| Obbia Lark | Spizocorys obbiensis | ... | Somalia | MORE INFO |
| Oberlaender's Ground-Thrush (or Forest Ground-Thrush) | Zoothera oberlaenderi | ... | Zaire, Uganda | MORE INFO |
| Obscure Berrypecker | Melanocharis arfakiana | ... | New Guinea | MORE INFO |
| Obscure Honeyeater | Lichenostomus obscurus | ... | New Guinea | ... |
| Oceanic Flycatcher | Myiagra oceanica | ... | Caroline Islands | ... |
| Ocellated Antbird | Phaenostictus mcleannani | Birders' View (Karl and Rosabel Kaufmann) | Honduras, Nicaragua, Costa Rica, Panama, Colombia, Ecuador | ............ |
| Ocellated Crake | Micropygia schomburgkii | ... | Colombia, Venezuela, Guianas. Peru, Bolivia, Brazil, Paraguay | ... |
| Ocellated Piculet | Picumnus dorbygnianus | ... | Peru, Bolivia | ... |
| Ocellated Poorwill | Nyctiphrynus ocellatus | ... | Nicaragua, Costa Rica, Panama, Colombia, Ecuador, Peru, Bolivia, Brazil, Paraguay, Argentina | ... |
| Ocellated Quail | Cyrtonyx ocellatus | ... | Mexico, Guatemala, El Salvador, Honduras, Nicaragua | MORE INFO |
| Ocellated Tapaculo | Acropternis orthonyx | Tropical Birding | Colombia, Venezuela, Ecuador, Peru | ... |
| Ocellated Thrasher | Toxostoma ocellatum | ... | Mexico | ... |
| Ocellated
Turkey 1
Ocellated Turkey 2 |
Meleagris ocellata | Martin
Reid
Cagan Sekercioglu |
Mexico, Guatemala, Belize | ... |
| Ocellated Woodcreeper | Xiphorhynchus ocellatus | ... | Colombia, Venezuela, Ecuador, Peru, Bolivia, Brazil | ... |
| Ochraceous Attila | Attila torridus | ... | Ecuador, Peru | MORE INFO |
| Ochraceous Bulbul | Alophoixus ochraceus | Laurence Poh | Thailand, Cambodia, Vietnam, Malayasia, Indonesia | ... |
| Ochraceous Pewee | Contopus ochraceus | Birding Escapes Costa Rica | Costa Rica, Panama | ... |
| Ochraceous Piculet | Picumnus limae | ... | Brazil | MORE INFO |
| Ochraceous Wren | Troglodytes ochraceus | ... | Costa Rica, Panama | ... |
| Ochraceous-breasted Flycatcher | Myiophobus ochraceiventris | ... | Peru, Bolivia | ... |
| Ochre-bellied Boobook (or Ochre-bellied Hawk-Owl) | Ninox ochracea | ... | Sulawesi | ... |
| Ochre-bellied Dove | Leptotila ochraceiventris | ... | Ecuador, Peru | MORE INFO |
| Ochre-bellied Flycatcher | Mionectes oleagineus | Cagan Sekercioglu | Mexico, Central America, South America (except Chile and Argentina) | ... |
| Ochre-bellied Foliage-Gleaner | Philydor ochrogaster | ... | Peru, Bolivia | ... |
| Ochre-breasted Antpitta | Grallaricula flavirostris | Tropical Birding | Costa Rica, Panama, Colombia, Ecuador, Peru, Bolivia | ... |
| Ochre-breasted Brush-Finch | Atlapetes semirufus | ... | Venezuela, Colombia | ... |
| Ochre-breasted Foliage-Gleaner | Philydor lichtensteini | ... | Brazil, Paraguay, Argentina | ... |
| Ochre-breasted Francolin (or Djibouti Francolin) | Pternistis ochropectus | ... | Djibouti | MORE INFO |
| Ochre-breasted Pipit | Anthus nattereri | ... | Paraguay, Brazil, Argentina | MORE INFO |
| Ochre-breasted Tanager | Chlorothraupis stolzmanni | ... | Panama, Colombia, Ecuador | ... |
| Ochre-browed Thistletail | Schizoeaca coryi | ... | Venezuela | ... |
| Ochre-cheeked Spinetail | Synallaxis scutata | ... | Brazil, Bolivia, Argentina | ... |
| Ochre-collared Piculet | Picumnus temminckii | Arthur Grosset | Brazil, Paraguay, Argentina | ... |
| Ochre-faced Tody-Flycatcher | Todirostrum plumbeiceps | ... | Peru, Argentina, Paraguay, Brazil | ... |
| Ochre-flanked Tapaculo | Eugralla paradoxa | ... | Chile, Argentina | ... |
| Ochre-fronted Antpitta | Grallaricula ochraceifrons | ... | Peru | MORE INFO |
| Ochre-headed Flycatcher | Myiagra cervinicauda | ... | Solomon Islands | ... |
| Ochre-naped Ground-Tyrant | Muscisaxicola flavinucha | Alec Earnshaw | Chile, Argentina | ... |
| Ochre-rumped Antbird | Drymophila ochropyga | ... | Brazil | MORE INFO |
| Ochre-rumped Bunting | Emberiza yessoensis | ... | China, Siberia, Japan. Winters to China, Japan, and Korea | MORE INFO |
| Ochre-striped Antpitta | Grallaria dignissima | ... | Colombia, Ecuador, Peru | ... |
| Ogea Monarch | Mayrornis versicolor | ... | Fiji Islands | MORE INFO |
| Oilbird | Steatornis caripensis | Cagan Sekercioglu | Panama, Colombia, Venezuela, Trinidad, Ecuador, Peru, Bolivia | ... |
| Okinawa Rail | Gallirallus okinawae | Okinawa Times | Japan | MORE INFO |
| Okinawa Woodpecker | Sapheopipo noguchii | Okinawa Times | Japan | MORE INFO |
| Oleaginous Hemispingus | Hemispingus frontalis | ... | Colombia, Venezuela, Ecuador, Peru | ... |
| Oldsquaw - see Long-tailed Duck | ... | ......... | ... | ... |
| Olivaceous Elaenia | Elaenia mesoleuca | ... | Brazil, Paraguay, Argentina | ... |
| Olivaceous Flatbill | Rhynchocyclus olivaceus | ... | Panama, Colombia, Venezuela, Guianas, Ecuador, Peru, Bolivia, Brazil | ... |
| Olivaceous Flycatcher | Muscicapa olivascens | ... | Sierra Leone, Liberia, Ivory Coast, Ghana, Nigeria, Cameroon, Equatorial Guinea, Gabon, Congo, Zaire, Central African Republic | ... |
| Olivaceous Greenlet | Hylophilus olivaceus | ... | Ecuador, Peru | ... |
| Olivaceous Piculet | Picumnus olivaceus | David Massie | Guatemala, Honduras, Nicaragua, Costa Rica, Panama, Colombia, Ecuador, Peru | ... |
| Olivaceous Piha | Lipaugus cryptolophus | ... | Colombia, Ecuador, Peru | ... |
| Olivaceous Siskin | Carduelis olivacea | ... | Ecuador, Peru, Bolivia | ... |
| Olivaceous Thornbill | Chalcostigma olivaceum | ... | Peru, Bolivia | ... |
| Olivaceous Thrush | Turdus olivaceofuscus | ... | São Tomé and Príncipe islands in the Gulf of Guinea, off West Africa | ... |
| Olivaceous Warbler | Hippolais pallida | Ben van den Broek | Spain, northern Africa, Hungary, Romania, Turkey, Middle East, Iraq, Iran, Kazakhstan, Turkestan. Winters in tropical Africa | ... |
| Olivaceous Woodcreeper | Sittasomus griseicapillus | Anke Poggel | Mexico, Central America, Colombia, Venezuela, Guianas, Peru, Ecuador, Peru, Bolivia, Brazil, Paraguay, Argentina | ... |
| Olive Bulbul | Iole virescens | ... | Bangladesh, India, Myanmar, Thailand | ... |
| Olive Bushshrike | Telophorus olivaceus | ... | Malawi, Zimbabwe, Mozambique, South Africa | ... |
| Olive Finch | Lysurus castaneiceps | Neotropical Journeys | Colombia, Ecuador, Peru | ... |
| Olive Flycatcher | Mitrephanes olivaceus | ... | Peru, Bolivia, Ecuador | ... |
| Olive Flyrobin | Microeca flavovirescens | ... | Papua-New Guinea | ... |
| Olive Honeyeater | Lichmera argentauris | ... | Moluccas, Papua-New Guinea | ... |
| Olive Ibis | Bostrychia olivacea | ... | Sierra Leone, Liberia, Ivory Coast, Ghana, Cameroon, Gabon, Central African Republic, Zaire, Kenya, Tanzania | ... |
| Olive Long-tailed Cuckoo | Cercococcyx olivinus | ... | Guinea, Sierra Leone, Ivory Coast, Ghana, Nigeria, Cameroon, Gabon, Congo, Zaire, Uganda, Angola, Zambia | ... |
| Olive Manakin | Chloropipo uniformis | Wim van der Schot | Venezuela, Brazil, Guyana | ... |
| Olive Sparrow | Arremonops rufivirgatus | Manuel Grosselet | Mexico, Centeral America except Panama | ... |
| Olive Spinetail | Cranioleuca obsoleta | ... | Brazil, Paraguay, Argentina | ... |
| Olive Straightbill | Timeliopsis fulvigula | ... | New Guinea | ... |
| Olive Sunbird | Nectarinia olivacea | Bruce Marcot | Most sub-saharan African countries | ... |
| Olive Tanager | Chlorothraupis frenata | Jean Coronel | Colombia, Peru, Bolivia | ... |
| Olive Thrush | Turdus olivaceus | Ron Eggert | Sudan, Ethiopia, Eritrea, Uganda, Kenya, Zaire, Rwanda, Burundi, Tanzania, Zambia, Malawi, Mozambique, Zimbabwe, Namibia, South Africa | ... |
| Olive
Warbler 1
Olive Warbler 2 |
Peucedramus taeniatus | Manuel
Grosselet
?? |
Arizona, New Mexico, Mexico, Guatemala, Honduras, Nicaragua | Patuxent Bird Identification InfoCenter |
| Olive Whistler | Pachycephala olivacea | Chris Chafer | Australia | ... |
| Olive Woodpecker | Dendropicos griseocephalus | Stefan Tewinkel | Angola, Zaire, Uganda, Rwanda, Burundi, Tanzania, Zambia, Malawi, Zimbabwe, Mozambique, South Africa | ... |
| Olive-backed
Euphonia 1
Olice-backed Euphonia 2 Olive-backed Euphonia 3 |
Euphonia gouldi | Joanne
Krupa
Debbie Wells Kent Nickell |
Mexico, Belize, Guatemala, Costa Rica, Panama | ... |
| Olive-backed Flowerpecker | Prionochilus olivaceus | Peter Bono | Philippines | ... |
| Olive-backed Foliage-gleaner | Automolus infuscatus | ... | Colombia, Venezuela, Guianas, Ecuador, Peru, Bolivia, Brazil | ... |
| Olive-backed Oriole | Oriolus sagittatus | Greg Holland & Leon Keasey | Australia | ... |
| Olive-backed
Pipit 1 (or Indian Tree Pipit)
Olive-backed Pipit 2 |
Anthus hodgsoni | Photographer unknown (initials
BM?)
Avian Chia |
Russia, Siberia, Mongolia, China, Korea, India, Tibet, Myanmar, Japan, India, China, Japan, Taiwan, south-east Asia, Philippines | ... |
| Olive-backed Quail-Dove | Geotrygon veraguensis | ... | Costa Rica, Panama, Colombia, Ecuador | ... |
| Olive-backed Sunbird | Nectarinia jugularis | Laurence Poh | China, south-east Asia, Indonesia, Philippines, Papua-New Guinea, Solomon Islands, Australia | ... |
| Olive-backed Tailorbird | Orthotomus sepium | ... | Java, Lesser Sunda Islands, Bali | ... |
| Olive-backed Tanager | Mitrospingus oleagineus | Hideo Tani | Venezuela, Brazil | ... |
| Olive-backed Woodcreeper | Xiphorhynchus triangularis | ... | Colombia, Venezuela, Ecuador, Peru, Bolivia | ... |
| Olive-backed Woodpecker | Dinopium rafflesii | Christian Artuso | Myanmar, Thailand, Malaysia, Sumatra, and Borneo | MORE INFO |
| Olive-bellied Sunbird | Nectarinia chloropygia | Roland Bischoff | Senegal, Gambia, Mali, Guinea, Sierra Leone, Liberia, Ivory Coast, Ghana, Togo, Benin, Nigeria, Cameroon, Fernando Po Island, Equatorial Guinea, Gabon, Congo, Central African Republic, Zaire, Chad, Sudan, Ethiopia, Rwanda, Burundi, Uganda, Kenya, Angola, Zaire, Tanzania | ... |
| Name of Bird | Scientific Name | Photographer | Species Distribution | Additional Information |
| Olive-brown Oriole | Oriolus melanotis | ... | Lesser Sunda Islands | ... |
| Olive-capped Flowerpecker | Dicaeum nigrilore | ... | Philippines | ... |
| Olive-capped Warbler | Dendroica pityophila | ... | Cuba, Bahamas | ... |
| Olive-chested Flycatcher | Myiophobus cryptoxanthus | ... | Ecuador, Peru | ... |
| Olive-crowned Chrescent-chest | Melanopareia maximiliani | ... | Bolivia, Argentina, Bolivia, Paraguay, Argentina | ... |
| Olive-crowned Flowerpecker | Dicaeum pectorale | ... | New Guinea | ... |
| Olive-crowned Yellowthroat | Geothlypis semiflava | Tropical Birding | Honduras, Costa Rica, Panama, Colombia, Ecuador | ... |
| Olive-flanked Robin-chat | Cossypha anomala | ... | Tanzania, Zambia, Malawi, Mozambique | ... |
| Olive-flanked Whistler | Hylocitrea bonensis | ... | Sulawesi | ... |
| Olive-green Cameroptera | Camaroptera chloronota | ... | Senegal, Gambia, Mali, Guinea, Sierra Leone, Liberia, Ivory Coast, Ghana, Togo, Benin, Nigeria, Cameroon, Fernando Po Island, Equatorial Guinea, Gabon, Congo, Central African Republic, Zaire, Chad, Sudan, Ethiopia, Rwanda, Burundi, Uganda, Kenya, Angola, Zaire, Tanzania | ... |
| Olive-green Tanager | Orthogonys chloricterus | ... | Brazil | ... |
| Olive-green Tyrannulet | Phylloscartes virescens | Arthur Grosset | Guianas, Brazil | ... |
| Olive-headed Brush-Fince (or Yellow-headed Brush-Finch) | Atlapetes flaviceps | ... | Colombia | MORE INFO |
| Olive-headed Lorikeet | Trichoglossus euteles | ... | Lesser Sunda Islands | ... |
| Olive-headed Weaver | Ploceus olivaceiceps | ... | Tanzania, Zambia, Malawi, Mozambique | MORE INFO |
| Olive-rumped Serin | Serinus rothschildi | ... | Saudi Arabia, Yemen | ... |
| Olive-shouldered Parrot | Aprosmictus jonquillaceus | ... | Lesser Sunda Islands | MORE INFO |
| Olive-sided Flycatcher | Contopus cooperi | Bill Schmoker | Alaska, Canada, Washington, Idaho, Montana, Oregon, California, Nevada, New Mexico, Arizona, Colorado, Utah, Minnesota, Wisconsin, Michigan, New York, New England, Tenessee, North Carolina, Central America, northern South America | Patuxent Bird Identification InfoCenter |
| Olive-spotted Hummingbird | Leucippus chlorocercus | ... | Colombia, Ecuador, Peru, Brazil | ... |
| Olive-streaked Honeyeater | Ptiloprora meekiana | ... | New Guinea | ... |
| Olive-striped Flycatcher | Mionectes olivaceus | ... | Costa Rica, Panama, Colombia, Venezuela, Trinidad, Ecuador, Peru, Bolivia | ... |
| Olive-tailed Thrush (or Bassian Thrush) | Zoothera lunulata | Tommy Pedersen | Papua-New Guinea, Bismarck Archipeligo, Solomon Islands, Australia | ... |
| Olive-throated Parakeet | Aratinga nana | Eladio Fernandez | Jamaica | ... |
| Olive-tree Warbler | Hippolais olivetorum | ... | Yugoslavis, Romania, Turkey, Crete. Winters in east and south-east Africa | ... |
| Olive-winged Bulbul | Pycnonotus plumosus | Ivor Lee | Myanmar, Thailand, Malaysia, Indonesia, Philippines | ... |
| Olive-yellow Myzomela (or New Ireland Honeyeater) | Myzomela pulchella | ... | New Ireland | ... |
| Olive-yellow Robin | Poecilodryas placens | ... | Papua-New Guinea | MORE INFO |
| Olomao | Myadestes lanaiensis | ... | Hawaii | MORE INFO |
| Olrog's Cinclodes | Cinclodes olrogi | ... | Argentina | ... |
| Olrog's Gull | Larus atlanticus | Robert Lewis | Argentina. Winters to Uruguay | MORE INFO |
| Oma'o | Myadestes obscurus | Jack Jeffrey | Hawaii | MORE
INFO 1
MORE INFO 2 |
| One-colored Becard | Pachyramphus homochrous | ... | Panama, Venezuela, Colombia, Ecuador, Peru | ... |
| Opal-crowned Manakin | Pachyramphus homochrous | ... | Brazil | ... |
| Opal-crowned Tanager | Tangara callophrys | ... | Colombia, Ecuador, Peru, Bolivia, Brazil | ... |
| Opal-rumped Tanager | Tangara velia | ... | Colombia, Venezuela, Guianas, Ecuador, Peru, Bolivia, Brazil | ... |
| Orange Bishop | Euplectes franciscanus | Hideo Tani | Senegal, the Gambia, Mauritania, Mali, Burkina Faso, Guinea-Bissau, Guinea, Sierra Leone, Ivory Coast, Ghana, Niger, Togo, Benin, Nigeria, Cameroon, Central African Republic, Chad, Sudan, Ethiopia, Eritrea, Somalia, Zaire, Uganda, Kenya. Introduced in Bermuda, Puerto Rico and southern California. | ... |
| Orange Bullfinch | Pyrrhula aurantiaca | ... | India, Pakistan | ... |
| Orange Chat | Epthianura aurifrons | Paul Hackett | Australia | ... |
| Orange Dove | Ptilinopus victor | ... | Fiji | ... |
| Orange Ground-Thrush | Zoothera gurneyi | ... | Zaire, Tanzania, Kenya, Malawi, Zaire, Mozambique, Zwaziland, Zimbabwe, South Africa | ... |
| Orange Oriole | Icterus auratus | Cagan Sekercioglu | Mexico, Belize | ... |
| Orange River Francolin | Scleroptila levaillantoides | Wim van der Schot | Sudan, Uganda, Kenya, Ethiopia, Eritrea, Somalia, Angola, Namibia, Botswana, South Africa | ... |
| Orange Weaver | Ploceus aurantius | David and Nancy Massie | Sierra Leone, Liberia, Ivory Coast, Ghana, Togo, Nigeria, Cameroon, Gabon, Congo, Cabinda, Zaire, Angola, Central African Republic, Uganda, Kenya, Tanzania. | ... |
| Orange-backed Woodpecker | Reinwardtipicus validus | ... | Thailand, Malaya, Sumatra, Borneo, Java | ... |
| Orange-banded Flycatcher | Myiophobus lintoni | ... | Ecuador, Peru | MORE INFO |
| Orange-banded Thrush (or Orange-sided Thrush) | Zoothera peronii | ... | Lesser Sunda Islands | MORE INFO |
| Orange-bellied Antwren | Terenura sicki | Arthur Grosset | Brazil | MORE INFO |
| Orange-bellied Euphonia | Euphonia xanthogaster | Wim van der Schot | Panama, Guyana, Venezuela, Colombia, Ecuador, Peru, Bolivia, Brazil | ... |
| Orange-bellied Flowerpecker | Dicaeum trigonostigma | Christian Artuso | India, Bangladesh, Burma, Thailand, Malaysia, Indonesia, Philippines | ... |
| Orange-bellied Fruit-Dove | Ptilinopus iozonus | ... | Papua-New Guinea | ... |
| Orange-bellied Leafbird | Chloropsis hardwickii | Hideo Tani | Indian sub-continent, Myanmar, China, Thailand, Laos, Velitnam, Malaysia | ... |
| Orange-bellied Manakin (or Tepui Manakin) | Lepidothrix suavissima | Jurgen Beckers of Trogon Travels | Venezuela, Guyana, Brazil | ... |
| Orange-bellied Parrot | Neophema chrysogaster | Ian Montgomery | Tasmania, Australia | MORE INFO |
| Orange-bellied Trogon | Trogon aurantiiventris | ... | Costa Rica, Panama | ... |
| Orange-billed Babbler | Turdoides rufescens | Wim van der Schot | Sri Lanka | MORE INFO |
| Orange-billed Lorikeet | Neopsittacus pullicauda | ... | New Guinea | ... |
| Orange-billed Nightingale-Thrush | Catharus aurantiirostris | Cagan Sekercioglu | Mexico, Central America, Colombia, Venezuela | ... |
| Orange-billed Sparrow | Arremon aurantiirostris | Panama Audubon Society | Mexico, Central America, Colombia, Ecuador, Peru | ... |
| Orange-breasted
Bunting 1
Orange Breasted Bunting 2 |
Passerina leclancherii | James
Ownby
Manuel Grosselet |
Mexico | ... |
| Orange-breasted Falcon | Falco deiroleucus | Knut Eisermann of Cayaya Birding | Mexico, Central America, Colombia, Venezuela, Trinidad, Guianas, Ecuador, Peru, Bolivia, Argentina, Paraguay, Brazil | ... |
| Orange-breasted Fig-Parrot | Cyclopsitta gulielmitertii | ... | Papua-New Guinea | ... |
| Orange-breasted Fruiteater | Pipreola jucunda | ... | Colombia, Ecuador | ... |
| Orange-breasted Green-Pigeon | Treron bicincta | ... | India, Myanmar, Thailand, Laos, Vietnam, China, Malaysia, Java | ... |
| Orange-breasted Myzomela | Myzomela jugularis | ... | Fiji | ... |
| Orange-breasted Rock-jumper | Chaetops aurantius | Stefan Monecke | South Africa, Lesotho | ... |
| Orange-breasted
Sunbird 1
Orange-breasted Sunbird 2 |
Nectarinia violacea | Ian
Montgomery
Stefan Monecke |
South Africa | ... |
| Orange-breasted Trogon | Harpactes oreskios | Ivor Lee | China, Myanmar, Thailand Indonesia, Sumatra, Java, Borneo. | ... |
| Orange-browed Hemispingus | Hemispingus calophrys | Joseph Thompson | Peru, Bolivia | ... |
| Orange-cheeked Honeyeater | Oreornis chrysogenys | ... | New Guinea | ... |
| Orange-cheeked Parrot | Pionopsitta barrabandi | Harry Sell | Colombia, Venezuela, Ecuador, Peru, Bolivia, Brazil | ... |
| Orange-cheeked Waxbill | Estrilda melpoda | Jack Jeffrey | Most sub-saharan African countries except South Africa. Introduced to Hawaii, Puerto Rico, Spain | MORE INFO |
| Orange-chinned
Parakeet 1
Orange-chinned Parakeet 2 Orange-chinned Parakeet 3 |
Brotogeris jugularis | Jean
Coronel
Jean Coronel Manuel Grosselet |
Mexico, Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, Panama, Columbia, Venezuela | ... |
| Orange-collared Manakin | Manacus aurantiacus | David Massie | Costa Rica, Panama, Colombia, Ecuador | ... |
| Orange-crested Flycatcher | Myiophobus phoenicomitra | ... | Colombia, Ecuador, Peru | ... |
| Orange-crested Manakin | Heterocercus aurantiivertex | ... | Ecuador | ... |
| Orange-crowned Euphonia | Euphonia saturata | ... | Colombia, Ecuador, Peru | ... |
| Orange-crowned Fairywren | Clytomyias insignis | ... | New Guinea | ... |
| Orange-crowned
Oriole 1
Orange-crowned Oriole 2 |
Icterus auricapillus | Robert
Scanlon
Jurgen Beckers |
Panama, Colombia, Venezuela | ... |
| Orange-crowned Warbler | Vermivora celata | Peter Wallach | Western Canada and UC. Winters to southern states and Gulf Coast | Patuxent Bird Identification InfoCenter |
| Orange-eared Tanager | Chlorochrysa calliparaea | ... | Colombia, Ecuador, Peru, Bolivia | ... |
| Orange-flanked Bush-Robin - see Red-flanked Bluetail | ... | ... | ... | ... |
| Orange-footed Scrub-fowl | Megapodius reinwardt | Stefan Tewinkel | New Guinea, Indonesia, Australia | ... |
| Orange-fronted Barbet | Capito squamatus | ... | Colombia, Ecuador | MORE INFO |
| Orange-fronted Fruit-Dove | Ptilinopus aurantiifrons | ... | Papua-New Guinea | ... |
| Orange-fronted Hanging-Parrot | Loriculus aurantiifrons | ... | Papua-New Guinea | ... |
| Orange-fronted
Parakeet 1
Orange-fronted Parakeet 2 |
Aratinga canicularis | Jean
Coronel
Manuel Grosselet |
Mexico, Guatemala, El Salvador, Honduras, Costa Rica | ... |
| Orange-fronted Plushcrown | Metopothrix aurantiacus | ... | Colombia, Ecuador, Peru, Bolivia, Brazil | ... |
| Orange-fronted Yellow-finch | Sicalis columbiana | Arthur Grosset | Trinidad, Colombia, Venezuela, Brazil, Peru | ... |
| Orange-headed Parrot | Pionopsitta aurantiocephala | Arthur Grosset | Brazil | ARTICLE |
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