• JabiruJabiru mycteria
• Jack SnipeLymnocryptes minimus
• Jacky-winterMicroeca fascinans
• Jalca TapaculoScytalopus frankeae
• Jamaican BecardPachyramphus niger
• Jamaican CrowCorvus jamaicensis
• Jamaican OrioleIcterus leucopteryx
• Jamaican OwlAsio grammicus
• Jamaican TodyTodus todus
• Jamaican VireoVireo modestus
• Jamaican WoodpeckerMelanerpes radiolatus
• James's FlamingoPhoenicoparrus jamesi
• Jameson's FirefinchLagonosticta rhodopareia
• Jameson's SnipeGallinago jamesoni
• Jandaya ParakeetAratinga jandaya
• Japanese Bush WarblerHorornis diphone
• Japanese GrosbeakEophona personata
• Japanese Leaf WarblerPhylloscopus xanthodryas
• Japanese Pygmy WoodpeckerYungipicus kizuki
• Japanese QuailCoturnix japonica
• Japanese RobinLarvivora akahige
• Japanese Scops-OwlOtus semitorques
• Japanese ThrushTurdus cardis
• Japanese WagtailMotacilla grandis
• Japanese WaxwingBombycilla japonica
• Japanese WoodpeckerPicus awokera
• Java SparrowPadda oryzivora
• Javan Black-capped BabblerPellorneum capistratum
• Javan Bush WarblerLocustella montis
• Javan FulvettaAlcippe pyrrhoptera
• Javan LeafbirdChloropsis cochinchinensis
• Javan MuniaLonchura leucogastroides
• Javan MynaAcridotheres javanicus
• Javan OrioleOriolus cruentus
• Javan OwletGlaucidium castanopterum
• Javan Pond-HeronArdeola speciosa
• Javan Scimitar-BabblerPomatorhinus montanus
• Javan ShortwingBrachypteryx montana
• Javan TesiaTesia superciliaris
• Jerdon's BabblerChrysomma altirostre
• Jerdon's BazaAviceda jerdoni
• Jerdon's LeafbirdChloropsis jerdoni
• Jerdon's NightjarCaprimulgus atripennis
• Jet AntbirdCercomacra nigricans
• Jocotoco AntpittaGrallaria ridgelyi
• Johannes's Tody-TyrantHemitriccus iohannis
• Johnson's Tody-FlycatcherPoecilotriccus luluae
• Joyful GreenbulChlorocichla laetissima
• Juan Fernandez PetrelPterodroma externa
• Jungle BabblerArgya striata
• Jungle Bush-QuailPerdicula asiatica
• Jungle MynaAcridotheres fuscus
• Jungle NightjarCaprimulgus indicus
• Jungle OwletGlaucidium radiatum
• Jungle PriniaPrinia sylvatica
• Junin CanasteroAsthenes virgata
• Juniper TitmouseBaeolophus ridgwayi