| English | German |
| Black & Orange Flycatcher | Orangeschnäpper |
| black-and-orange flycatcher | Tannenschnäpper (Ficedula mugimaki) |
| black-and-orange flycatcher | Mugimaki-Schnäpper (Ficedula mugimaki) |
| blue-and-orange niltava | Schwarzkehl-Niltava (Niltava sundara) |
| blue-and-orange niltava | Rotbauchniltava (Niltava sundara) |
| northern orange-tufted sunbird | Orangebüschel-Nektarvogel (Nectarinia osea) |
| northern orange-tufted sunbird | Jericho-Nektarvogel (Nectarinia osea) |
| orange-banded flycatcher | Lojatyrann (Myiophobus lintoni) |
| orange-barred leaf warbler | Goldbinden-Laubsänger (Phylloscopus pulcher) |
| orange-barred warbler | Goldbinden-Laubsänger (Phylloscopus pulcher) |
| orange-barred willow warbler | Goldbinden-Laubsänger (Phylloscopus pulcher) |
| Orange-bellied Antbird | Orangenbauch-Ameisenfänger |
| orange-bellied euphonia | Goldbauchorganist (Euphonia xanthogaster) |
| orange-bellied flowerpecker | Orangebrust-Mistelesser (Dicaeum trigonostigma) |
| orange-bellied flowerpecker | Orangebauch-Mistelfresser (Dicaeum trigonostigma) |
| orange-bellied fruit dove | Orangebauch-Fruchttaube (Iotreron iozona, Ptilinopus iozonus) |
| orange-bellied grass parrakeet | Grünzügel-Schönsittich (Neophema chrysogaster) |
| orange-bellied grass parrakeet | Grünzügeligel-Schönsittich (Neophema chrysogaster) |
| orange-bellied grass parrakeet | Orangebauchsittich (Neophema chrysogaster) |
| orange-bellied grass parrakeet | Goldbauchsittich (Neophema chrysogaster) |
| orange-bellied leafbird | Orangebauch-Blattvogel (Chloropsis hardwickii) |
| orange-bellied leafbird | Blaubart-Blattvogel (Chloropsis hardwickii) |
| orange-bellied parrot | Grünzügeligel-Schönsittich (Neophema chrysogaster) |
| orange-bellied parrot | Orangebauchsittich (Neophema chrysogaster) |
| orange-bellied parrot | Rotbauchpapagei (Poicephalus rufiventris) |
| orange-bellied parrot | Rotbauch-Mohrenkopf (Poicephalus rufiventris) |
| orange-bellied parrot | Grünzügel-Schönsittich (Neophema chrysogaster) |
| orange-bellied parrot | Goldbauchsittich (Neophema chrysogaster) |
| orange-bellied trogon | Goldbauchtrogon (Trogon aurantiiventris, Trogonurus aurantiiventrus) |
| orange-billed jungle myna | Langschopfmaina (Acridotheres grandis, Aethiopsar grandis) |
| orange-billed sparrow | Goldschnabel-Ruderammer (Arremon aurantiirostris) |
| orange-billed nightingale thrush | Goldschnabel-Musendrossel (Catharus aurantiirostris) |
| orange bishop | Orangeweber (Euplectes franciscanus) |
| orange bishop | Feuerweber (Euplectes franciscanus) |
| orange-breasted bunting | Orangeblaufink (Passerina leclancheri) |
| orange-breasted bush shrike | Orangebrustwürger (Malaconotus sulfureopectus) |
| orange-breasted bush shrike | Orangebrust-Buschwürger (Malaconotus sulfureopectus) |
| orange-breasted falcon | Rotbrustfalke (Falco deiroleucus, Hierofalco deiroleucus) |
| orange-breasted fig parrot | Orangebrust-Zwergpapagei (Opopsitta gulielmiterti, Nannopsittacus gulielmitertii) |
| orange-breasted fig parrot | Orangebauch-Zwergpapagei (Opopsitta gulielmiterti, Nannopsittacus gulielmitertii) |
| orange-breasted flycatcher | Spiegelschnäpper (Ficedula dumetoria) |
| orange-breasted grass parrakeet | Grünzügel-Schönsittich (Neophema chrysogaster) |
| orange-breasted grass parrakeet | Grünzügeligel-Schönsittich (Neophema chrysogaster) |
| orange-breasted grass parrakeet | Orangebauchsittich (Neophema chrysogaster) |
| orange-breasted grass parrakeet | Goldbauchsittich (Neophema chrysogaster) |
| orange-breasted green pigeon | Bindengrüntaube (Treron bicincta) |
| orange-breasted honeyeater | Orangebrust-Honigfresser (Myzomela jugularis) |
| orange-breasted myzomela | Orangebrust-Honigfresser (Myzomela jugularis) |
| orange-breasted parrot | Grünzügeligel-Schönsittich (Neophema chrysogaster) |
| orange-breasted parrot | Grünzügel-Schönsittich (Neophema chrysogaster) |
| orange-breasted parrot | Orangebauchsittich (Neophema chrysogaster) |
| orange-breasted parrot | Goldbauchsittich (Neophema chrysogaster) |
| orange-breasted sunbird | Goldbrust-Nektarvogel (Nectarinia violacea) |
| orange-breasted trogon | Grünkopftrogon (Harpactes oreskios) |
| orange-breasted waxbill | Goldbrüstchen (Amandava subflava) |
| orange bullfinch | Orangegimpel (Pyrrhula aurantiaca) |
| orange bullfinch | Goldrückengimpel (Pyrrhula aurantiaca) |
| orange chat | Goldstirn-Trugschmätzer (Ephthianura aurifrons) |
| orange-cheeked honeyeater | Goldwangen-Honigfresser (Oreornis chrysogenys) |
| orange-cheeked parrot | Goldwangenpapagei (Gypopsitta barrabandi, Pionopsitta barrabandi) |
| orange-cheeked waxbill | Orangebäckchen (Estrilda melpoda) |
| orange-chinned parrakeet | Tovisittich (Brotogeris jugularis) |
| orange-chinned parrakeet | Goldkinnsittich (Brotogeris jugularis) |
| orange cock-of-the-rock | Kammfelsenhahn (Rupicola rupicola) |
| orange cock-of-the-rock | Klippenvogel (Rupicola rupicola) |
| orange cock-of-the-rock | Cayenne-Klippenvogel (Rupicola rupicola) |
| orange-crested flycatcher | Goldscheiteltyrann (Myiophobus phoenicamitra) |
| orange-crested gardener | Rothaubengärtner (Amblyornis subalaris) |
| orange-crowned euphonia | Orangescheitelorganist (Euphonia saturata) |
| orange-crowned manakin | Orangescheitelpipra (Heterocercus aurantiivertex) |
| orange-crowned oriole | Orangescheitel-Trupial (Icterus auricapillus) |
| orange-crowned oriole | Orangekopftrupial (Icterus auricapillus) |
| orange-crowned warbler | Orangefleck-Waldsänger (Vermivora celata) |
| orange-crowned warbler | Goldscheitel-Waldsänger (Basileuterus coronatus) |
| orange-crowned wren | Rotkopf-Staffelschwanz (Clytomyias) |
| Orange Cuckoo Shrike | Goldraupenfänger |
| orange cuckoo-shrike | Goldraupenfresser (Campochaera) |
| orange cuckoo-shrike | Goldraupenesser (Campochaera) |
| orange dove | Orangetaube (Chrysoena victor, Ptilinopus victor) |
| orange dove | Rote Fidschi-Flaumfußtaube (Chrysoena victor, Ptilinopus victor) |
| orange-eared tanager | Braunohr-Bunttangare (Chlorochrysa calliparaea) |
| orange-flanked bush robin | Walddrossel (Hylocichla mustelina) |
| orange-flanked bush robin | Mäusedrossel (Hylocichla mustelina) |
| orange-flanked parrakeet | Grauwangensittich (Brotogeris pyrrhoptera) |
| orange-flanked parrakeet | Feuerflügelsittich (Brotogeris pyrrhoptera) |
| orange-fronted barbet | Kastanien-Faulvogel (Hapaloptila castanea) |
| orange-fronted barbet | Diadem-Faulvogel (Hapaloptila castanea) |
| Orange-fronted Barbet | Weißnacken-Bartvogel |
| orange-fronted barbet | Braunbauch-Faulvogel (Hapaloptila castanea) |
| orange-fronted conure | Halbmondsittich (Aratinga canicularis, Eupsittula canicularis) |
| orange-fronted conure | Pelzs-Sittich (Aratinga canicularis, Eupsittula canicularis) |
| orange-fronted conure | Elfenbeinsittich (Aratinga canicularis, Eupsittula canicularis) |
| orange-fronted fruit dove | Goldstirn-Fruchttaube (Ptiiinopus aurantiifrons) |
| orange-fronted hanging parrot | Goldstirnpapageichen (Loriculus aurantiifrons) |
| orange-fronted parrakeet | Halbmondsittich (Aratinga canicularis, Eupsittula canicularis) |
| orange-fronted parrakeet | Pelzs-Sittich (Aratinga canicularis, Eupsittula canicularis) |
| orange-fronted parrakeet | Alpensittich (Cyanoramphus malherbi) |
| orange-fronted parrakeet | Elfenbeinsittich (Aratinga canicularis, Eupsittula canicularis) |
| orange-fronted plushcrown | Goldschlüpfer (Metopothrix aurantiacus) |
| orange-fronted yellow-finch | Zwergsafranfink (Sicalis columbiana) |
| orange-fronted yellow-finch | Zwergsafranammer (Sicalis columbiana) |
| orange-gorget ted flycatcher | Zimtkehlschnäpper (Ficedula strophiata) |
| orange-gorget ted flycatcher | Orangekehlschnäpper (Ficedula strophiata) |
| orange ground thrush | Tanganjika-Drossel (Zoothera tanganjicae) |
| orange ground thrush | Gurneydrossel (Turdus gurneyi) |
| orange-headed tanager | Orangekopftangare (Thlypopsis sordida) |
| orange-headed ground thrush | Damadrossel (Zoothera citrina) |
| orange koa-finch | Großer Koafink (Loxoides palmeri) |
| orange koa-finch | Orangebrust-Koagimpel (Loxoides palmeri) |
| orange manakin | Gelbhaubenpipra (Neopelma chrysocephalum) |
| orange oriole | Goldtrupial (Jcterus auratus) |
| Orange River francolin | Rebhuhnfrankolin (Francolinus levalliantoides, Scleroptila levalliantoides) |
| orange-rumped honeyguide | Gelbbürzel-Honiganzeiger (Indicator xanthonotus) |
| orange-spotted bulbul | Goldzügelbülbül (Pycnonotus bimaculatus) |
| orange-tailed shama | Feuerschwanzschama (Copsychus pyrrhopygius) |
| orange-throated longclaw | Großspornpieper (Macronyx capensis) |
| orange-throated sunangel | Orangekehlnymphe (Heliangelus mavors) |
| orange-throated tanager | Veilchenschultertangare (Wetmorethraupis sterrhopteron) |
| orange-throated tanager | Veilchenschultertangare (wetmorethraupis) |
| orange-tufted sunbird | Jericho-Nektarvogel (Nectarinia osea) |
| orange-tufted sunbird | Orangebüschel-Nektarvogel (Nectarinia osea) |
| orange-tufted sunbird | Bouviernektarvogel (Nectarinia bouvieri) |
| orange weaver | Mönchsweber (Ploceus aurantius, Textor aurantius) |
| orange weaver | Königsweber (Ploceus aurantius, Textor aurantius) |
| orange-winged amazon | Venezuela-Amazone (Amazona amazonica) |
| orange-winged amazon | Amazonen-Papagei (Amazona amazonica) |
| orange-winged parrakeet | Goldflügelsittich (Brotogeris chrysopterus) |
| orange-winged parrakeet | Braunkinnsittich (Brotogeris chrysopterus) |
| orange-winged parrot | Venezuela-Amazone (Amazona amazonica) |
| orange-winged parrot | Amazonen-Papagei (Amazona amazonica) |
| orange-winged pytilia | Wienerastrild (Pytilia afra) |
| orange-winged sitella | Spiegelkleiber (Neositta chrysoptera) |
| orange-winged sitella | Australkleiber (Neositta chrysoptera) |
