• Gabar GoshawkMicronisus gabar
• Gabon BoubouLaniarius bicolor
• GadwallMareca strepera
• GalahEolophus roseicapilla
• Galapagos PetrelPterodroma phaeopygia
• Gambel's QuailCallipepla gambelii
• Gang-gang CockatooCallocephalon fimbriatum
• Gansu Leaf WarblerPhylloscopus kansuensis
• Garden SunbirdCinnyris jugularis
• Garden WarblerSylvia borin
• GarganeySpatula querquedula
• Garnet PittaErythropitta granatina
• Gartered Violaceous TrogonTrogon caligatus
• Gentoo PenguinPygoscelis papua
• Geoffroy's DaggerbillSchistes geoffroyi
• Germain's Peacock-PheasantPolyplectron germaini
• Giant AntpittaGrallaria gigantea
• Giant AntshrikeBatara cinerea
• Giant ConebillConirostrum binghami
• Giant CootFulica gigantea
• Giant CouaCoua gigas
• Giant CowbirdMolothrus oryzivorus
• Giant HummingbirdPatagona gigas
• Giant KingfisherMegaceryle maxima
• Giant LaughingthrushIanthocincla maxima
• Giant NuthatchSitta magna
• Giant PittaHydrornis caeruleus
• Giant SnipeGallinago undulata
• Giant Wood-RailAramides ypecaha
• Giant WrenCampylorhynchus chiapensis
• Gila WoodpeckerMelanerpes uropygialis
• Gilbert's HoneyeaterMelithreptus chloropsis
• Gilbert's WhistlerPachycephala inornata
• Gilded BarbetCapito auratus
• Gilded FlickerColaptes chrysoides
• Gilded HummingbirdHylocharis chrysura
• Gilt-edged TanagerTangara cyanoventris
• Glaucous GullLarus hyperboreus
• Glaucous-blue GrosbeakCyanoloxia glaucocaerulea
• Glaucous-winged GullLarus glaucescens
• Glistening-green TanagerChlorochrysa phoenicotis
• Glittering-bellied EmeraldChlorostilbon lucidus
• Glittering-throated EmeraldChionomesa fimbriata
• Glossy AntshrikeSakesphorus luctuosus
• Glossy Black-CockatooCalyptorhynchus lathami
• Glossy FlowerpiercerDiglossa lafresnayii
• Glossy IbisPlegadis falcinellus
• Glossy-backed BecardPachyramphus surinamus
• Glossy-black ThrushTurdus serranus
• Godlewski's BuntingEmberiza godlewskii
• Goeldi's AntbirdAkletos goeldii
• Gold-ringed TanagerBangsia aureocincta
• Gold-whiskered BarbetPsilopogon chrysopogon
• GoldcrestRegulus regulus
• Golden BabblerCyanoderma chrysaeum
• Golden Bush-RobinTarsiger chrysaeus
• Golden EagleAquila chrysaetos
• Golden GrosbeakPheucticus chrysogaster
• Golden MonarchCarterornis chrysomela
• Golden ParakeetGuaruba guarouba
• Golden ParrotbillSuthora verreauxi
• Golden PheasantChrysolophus pictus
• Golden SwallowTachycineta euchrysea
• Golden TanagerTangara arthus
• Golden VireoVireo hypochryseus
• Golden WhistlerPachycephala pectoralis
• Golden-backed WeaverPloceus jacksoni
• Golden-bellied EuphoniaEuphonia chrysopasta
• Golden-bellied FlycatcherMyiodynastes hemichrysus
• Golden-bellied GerygoneGerygone sulphurea
• Golden-billed SaltatorSaltator aurantiirostris
• Golden-breasted BuntingEmberiza flaviventris
• Golden-breasted FruiteaterPipreola aureopectus
• Golden-breasted FulvettaLioparus chrysotis
• Golden-browed ChlorophoniaChlorophonia callophrys
• Golden-browed WarblerBasileuterus belli
• Golden-capped ParakeetAratinga auricapillus
• Golden-cheeked WarblerSetophaga chrysoparia
• Golden-cheeked WoodpeckerMelanerpes chrysogenys
• Golden-chevroned TanagerThraupis ornata
• Golden-collared ManakinManacus vitellinus
• Golden-collared ToucanetSelenidera reinwardtii
• Golden-collared WoodpeckerDryobates cassini
• Golden-crowned BrushfinchAtlapetes tricolor
• Golden-crowned FlycatcherMyiodynastes chrysocephalus
• Golden-crowned KingletRegulus satrapa
• Golden-crowned SpadebillPlatyrinchus coronatus
• Golden-crowned SparrowZonotrichia atricapilla
• Golden-crowned TanagerIridosornis rufivertex
• Golden-crowned WarblerBasileuterus culicivorus
• Golden-faced TyrannuletZimmerius chrysops
• Golden-fronted GreenletPachysylvia aurantiifrons
• Golden-fronted LeafbirdChloropsis aurifrons
• Golden-fronted RedstartMyioborus ornatus
• Golden-fronted WoodpeckerMelanerpes aurifrons
• Golden-green WoodpeckerPiculus chrysochloros
• Golden-headed CisticolaCisticola exilis
• Golden-headed ManakinCeratopipra erythrocephala
• Golden-headed QuetzalPharomachrus auriceps
• Golden-hooded TanagerStilpnia larvata
• Golden-naped BarbetPsilopogon pulcherrimus
• Golden-naped WoodpeckerMelanerpes chrysauchen
• Golden-olive WoodpeckerColaptes rubiginosus
• Golden-plumed ParakeetLeptosittaca branickii
• Golden-rumped EuphoniaChlorophonia cyanocephala
• Golden-sided EuphoniaEuphonia cayennensis
• Golden-spangled PiculetPicumnus exilis
• Golden-tailed ParrotletTouit surdus
• Golden-tailed SapphireChrysuronia oenone
• Golden-tailed WoodpeckerCampethera abingoni
• Golden-throated BarbetPsilopogon franklinii
• Golden-tufted GrackleMacroagelaius imthurni
• Golden-winged CaciqueCacicus chrysopterus
• Golden-winged ManakinMasius chrysopterus
• Golden-winged ParakeetBrotogeris chrysoptera
• Golden-winged SparrowArremon schlegeli
• Golden-winged Tody-FlycatcherPoecilotriccus calopterus
• Golden-winged WarblerVermivora chrysoptera
• GoldenfacePachycare flavogriseum
• Gorgeted Wood-QuailOdontophorus strophium
• Gould's FrogmouthBatrachostomus stellatus
• Gould's ToucanetSelenidera gouldii
• Grace's WarblerSetophaga graciae
• Graceful PriniaPrinia gracilis
• Grass WrenCistothorus platensis
• Grass-green TanagerChlorornis riefferii
• Grasshopper SparrowAmmodramus savannarum
• Grassland SparrowAmmodramus humeralis
• Grassland Yellow-FinchSicalis luteola
• Gray AntbirdCercomacra cinerascens
• Gray AntwrenMyrmotherula menetriesii
• Gray ApalisApalis cinerea
• Gray BuntingEmberiza variabilis
• Gray BushchatSaxicola ferreus
• Gray ButcherbirdCracticus torquatus
• Gray CatbirdDumetella carolinensis
• Gray CrowCorvus tristis
• Gray Crowned-CraneBalearica regulorum
• Gray CurrawongStrepera versicolor
• Gray FantailRhipidura albiscapa
• Gray FlycatcherEmpidonax wrightii
• Gray FrancolinOrtygornis pondicerianus
• Gray GerygoneGerygone igata
• Gray GullLeucophaeus modestus
• Gray HawkButeo plagiatus
• Gray HeronArdea cinerea
• Gray JunglefowlGallus sonneratii
• Gray KingbirdTyrannus dominicensis
• Gray LongbillMacrosphenus concolor
• Gray MonjitaNengetus cinereus
• Gray NightjarCaprimulgus jotaka
• Gray ParrotPsittacus erithacus
• Gray PartridgePerdix perdix
• Gray Peacock-PheasantPolyplectron bicalcaratum
• Gray SeedeaterSporophila intermedia
• Gray ShrikethrushColluricincla harmonica
• Gray SibiaHeterophasia gracilis
• Gray Silky-flycatcherPtiliogonys cinereus
• Gray TealAnas gracilis
• Gray ThrasherToxostoma cinereum
• Gray TinamouTinamus tao
• Gray TitMelaniparus afer
• Gray Tit-FlycatcherFraseria plumbea
• Gray TreepieDendrocitta formosae
• Gray TremblerCinclocerthia gutturalis
• Gray VireoVireo vicinior
• Gray WagtailMotacilla cinerea
• Gray WhistlerPachycephala simplex
• Gray Wren-WarblerCalamonastes simplex
• Gray-and-buff WoodpeckerHemicircus concretus
• Gray-and-gold TanagerPoecilostreptus palmeri
• Gray-and-gold WarblerMyiothlypis fraseri
• Gray-and-white TyrannuletPseudelaenia leucospodia
• Gray-backed CisticolaCisticola subruficapilla
• Gray-backed HawkPseudastur occidentalis
• Gray-backed ShrikeLanius tephronotus
• Gray-backed TachuriPolystictus superciliaris
• Gray-backed TailorbirdOrthotomus derbianus
• Gray-backed TernOnychoprion lunatus
• Gray-backed ThrushTurdus hortulorum
• Gray-barred WrenCampylorhynchus megalopterus
• Gray-bellied AntbirdAmmonastes pelzelni
• Gray-bellied CuckooCacomantis passerinus
• Gray-bellied HawkAccipiter poliogaster
• Gray-bellied SpinetailSynallaxis cinerascens
• Gray-bellied TesiaTesia cyaniventer
• Gray-breasted CrakeLaterallus exilis
• Gray-breasted FlycatcherLathrotriccus griseipectus
• Gray-breasted MartinProgne chalybea
• Gray-breasted Mountain-ToucanAndigena hypoglauca
• Gray-breasted PriniaPrinia hodgsonii
• Gray-breasted SabrewingCampylopterus largipennis
• Gray-breasted SeedsnipeThinocorus orbignyianus
• Gray-breasted Wood-WrenHenicorhina leucophrys
• Gray-breasted WoodpeckerMelanerpes hypopolius
• Gray-browed BrushfinchArremon assimilis
• Gray-capped FlycatcherMyiozetetes granadensis
• Gray-capped Pygmy WoodpeckerYungipicus canicapillus
• Gray-capped Social-WeaverPseudonigrita arnaudi
• Gray-capped TyrannuletPhyllomyias griseocapilla
• Gray-capped WarblerEminia lepida
• Gray-cheeked NunletNonnula frontalis
• Gray-cheeked ParakeetBrotogeris pyrrhoptera
• Gray-cheeked ThrushCatharus minimus
• Gray-cheeked Tit-BabblerMixornis flavicollis
• Gray-cheeked WarblerPhylloscopus poliogenys
• Gray-chested BabblerKakamega poliothorax
• Gray-chested DoveLeptotila cassinii
• Gray-chested GreenletHylophilus semicinereus
• Gray-chested Jungle FlycatcherCyornis umbratilis
• Gray-chinned HermitPhaethornis griseogularis
• Gray-chinned MinivetPericrocotus solaris
• Gray-collared BecardPachyramphus major
• Gray-cowled Wood-RailAramides cajaneus
• Gray-crested TitLophophanes dichrous
• Gray-crowned BabblerPomatostomus temporalis
• Gray-crowned FlatbillTolmomyias poliocephalus
• Gray-crowned Rosy-FinchLeucosticte tephrocotis
• Gray-crowned WarblerPhylloscopus tephrocephalus
• Gray-crowned WoodpeckerColaptes auricularis
• Gray-crowned YellowthroatGeothlypis poliocephala
• Gray-eared HoneyeaterLichmera incana
• Gray-eyed BulbulIole propinqua
• Gray-eyed GreenletHylophilus amaurocephalus
• Gray-faced BuzzardButastur indicus
• Gray-faced Tit-BabblerMixornis kelleyi
• Gray-flanked CinclodesCinclodes oustaleti
• Gray-fronted DoveLeptotila rufaxilla
• Gray-fronted Green-PigeonTreron affinis
• Gray-headed AntbirdAmpelornis griseiceps
• Gray-headed BabblerStachyris poliocephala
• Gray-headed BatisBatis orientalis
• Gray-headed BristlebillBleda canicapillus
• Gray-headed BullfinchPyrrhula erythaca
• Gray-headed BushshrikeMalaconotus blanchoti
• Gray-headed Canary-FlycatcherCulicicapa ceylonensis
• Gray-headed ChachalacaOrtalis cinereiceps
• Gray-headed ChickadeePoecile cinctus
• Gray-headed DoveLeptotila plumbeiceps
• Gray-headed ElaeniaMyiopagis caniceps
• Gray-headed KingfisherHalcyon leucocephala
• Gray-headed KiteLeptodon cayanensis
• Gray-headed LapwingVanellus cinereus
• Gray-headed LovebirdAgapornis canus
• Gray-headed NigritaNigrita canicapillus
• Gray-headed ParakeetPsittacula finschii
• Gray-headed PipritesPiprites griseiceps
• Gray-headed RobinHeteromyias cinereifrons
• Gray-headed SpinetailCranioleuca semicinerea
• Gray-headed SwamphenPorphyrio poliocephalus
• Gray-headed TanagerEucometis penicillata
• Gray-headed Tody-FlycatcherTodirostrum poliocephalum
• Gray-headed WoodpeckerPicus canus
• Gray-hooded AttilaAttila rufus
• Gray-hooded FlycatcherMionectes rufiventris
• Gray-hooded GullChroicocephalus cirrocephalus
• Gray-hooded ParakeetPsilopsiagon aymara
• Gray-hooded Sierra FinchPhrygilus gayi
• Gray-hooded WarblerPhylloscopus xanthoschistos
• Gray-legged TinamouCrypturellus duidae
• Gray-lined HawkButeo nitidus
• Gray-mantled WrenOdontorchilus branickii
• Gray-naped AntpittaGrallaria griseonucha
• Gray-necked BuntingEmberiza buchanani
• Gray-olive GreenbulPhyllastrephus cerviniventris
• Gray-rumped SwiftChaetura cinereiventris
• Gray-rumped TreeswiftHemiprocne longipennis
• Gray-sided Bush WarblerCettia brunnifrons
• Gray-sided Scimitar-BabblerErythrogenys swinhoei
• Gray-sided ThrushTurdus feae
• Gray-streaked FlycatcherMuscicapa griseisticta
• Gray-streaked HoneyeaterPtiloprora perstriata
• Gray-tailed PihaSnowornis subalaris
• Gray-tailed TattlerTringa brevipes
• Gray-throated BabblerStachyris nigriceps
• Gray-throated BarbetGymnobucco bonapartei
• Gray-throated ChatGranatellus sallaei
• Gray-throated LeaftosserSclerurus albigularis
• Gray-throated MartinRiparia chinensis
• Gray-throated Tit-FlycatcherFraseria griseigularis
• Gray-throated WarblerMyiothlypis cinereicollis
• Gray-throated Warbling FinchMicrospingus cabanisi
• Gray-winged BlackbirdTurdus boulboul
• Gray-winged FrancolinScleroptila afra
• Gray-winged Inca-FinchIncaspiza ortizi
• Gray-winged TrumpeterPsophia crepitans
• Grayish BaywingAgelaioides badius
• Grayish MournerRhytipterna simplex
• Grayish PiculetPicumnus granadensis
• Graylag GooseAnser anser
• Great AntshrikeTaraba major
• Great ArgusArgusianus argus
• Great BarbetPsilopogon virens
• Great Black HawkButeogallus urubitinga
• Great Black-backed GullLarus marinus
• Great Blue HeronArdea herodias
• Great Blue TuracoCorythaeola cristata
• Great BowerbirdChlamydera nuchalis
• Great CormorantPhalacrocorax carbo
• Great Crested FlycatcherMyiarchus crinitus
• Great Crested GrebePodiceps cristatus
• Great Crested TernThalasseus bergii
• Great Cuckoo-DoveReinwardtoena reinwardti
• Great CurassowCrax rubra
• Great Eared-NightjarLyncornis macrotis
• Great EgretArdea alba
• Great FrigatebirdFregata minor
• Great Gray OwlStrix nebulosa
• Great Gray ShrikeLanius excubitor
• Great GrebePodiceps major
• Great Green MacawAra ambiguus
• Great HornbillBuceros bicornis
• Great Horned OwlBubo virginianus
• Great JacamarJacamerops aureus
• Great KiskadeePitangus sulphuratus
• Great KnotCalidris tenuirostris
• Great Lizard-CuckooCoccyzus merlini
• Great MynaAcridotheres grandis
• Great Pampa-FinchEmbernagra platensis
• Great PotooNyctibius grandis
• Great Reed WarblerAcrocephalus arundinaceus
• Great RosefinchCarpodacus rubicilla
• Great Rufous WoodcreeperXiphocolaptes major
• Great SkuaStercorarius skua
• Great Slaty WoodpeckerMulleripicus pulverulentus
• Great SnipeGallinago media
• Great SpinetailSynallaxis hypochondriaca
• Great Spotted CuckooClamator glandarius
• Great Spotted WoodpeckerDendrocopos major
• Great Swallow-tailed SwiftPanyptila sanctihieronymi
• Great Thick-kneeEsacus recurvirostris
• Great ThrushTurdus fuscater
• Great TinamouTinamus major
• Great TitParus major
• Great XenopsMegaxenops parnaguae
• Great-billed HermitPhaethornis malaris
• Great-billed HeronArdea sumatrana
• Great-tailed GrackleQuiscalus mexicanus
• Greater AniCrotophaga major
• Greater Antillean BullfinchMelopyrrha violacea
• Greater Antillean GrackleQuiscalus niger
• Greater Black CoucalCentropus menbeki
• Greater Blue-eared StarlingLamprotornis chalybaeus
• Greater BluebonnetNorthiella haematogaster
• Greater CoucalCentropus sinensis
• Greater Double-collared SunbirdCinnyris afer
• Greater FlamebackChrysocolaptes guttacristatus
• Greater FlamingoPhoenicopterus roseus
• Greater Green LeafbirdChloropsis sonnerati
• Greater HoneyguideIndicator indicator
• Greater Hoopoe-LarkAlaemon alaudipes
• Greater Necklaced LaughingthrushPterorhinus pectoralis
• Greater Painted-SnipeRostratula benghalensis
• Greater PeweeContopus pertinax
• Greater Prairie-ChickenTympanuchus cupido
• Greater Racket-tailed DrongoDicrurus paradiseus
• Greater RheaRhea americana
• Greater RoadrunnerGeococcyx californianus
• Greater Sage-GrouseCentrocercus urophasianus
• Greater ScaupAythya marila
• Greater Short-toed LarkCalandrella brachydactyla
• Greater Spotted EagleClanga clanga
• Greater Striped SwallowCecropis cucullata
• Greater Swamp WarblerAcrocephalus rufescens
• Greater ThornbirdPhacellodomus ruber
• Greater Vasa ParrotCoracopsis vasa
• Greater Wagtail-TyrantStigmatura budytoides
• Greater White-fronted GooseAnser albifrons
• Greater WhitethroatCurruca communis
• Greater Yellow-FinchSicalis auriventris
• Greater YellowlegsTringa melanoleuca
• Greater YellownapeChrysophlegma flavinucha
• Green BroadbillCalyptomena viridis
• Green CatbirdAiluroedus crassirostris
• Green CochoaCochoa viridis
• Green CrombecSylvietta virens
• Green HermitPhaethornis guy
• Green HeronButorides virescens
• Green HoneycreeperChlorophanes spiza
• Green HyliaHylia prasina
• Green IbisMesembrinibis cayennensis
• Green Imperial-PigeonDucula aenea
• Green IoraAegithina viridissima
• Green JayCyanocorax yncas
• Green JunglefowlGallus varius
• Green KingfisherChloroceryle americana
• Green MalkohaCeuthmochares australis
• Green ManakinCryptopipo holochlora
• Green OrioleOriolus flavocinctus
• Green OropendolaPsarocolius viridis
• Green ParakeetPsittacara holochlorus
• Green RosellaPlatycercus caledonicus
• Green SandpiperTringa ochropus
• Green Shrike-BabblerPteruthius xanthochlorus
• Green Shrike-VireoVireolanius pulchellus
• Green TinkerbirdPogoniulus simplex
• Green WarblerPhylloscopus nitidus
• Green WoodhoopoePhoeniculus purpureus
• Green-and-black FruiteaterPipreola riefferii
• Green-and-gold TanagerTangara schrankii
• Green-and-rufous KingfisherChloroceryle inda
• Green-backed BecardPachyramphus viridis
• Green-backed CamaropteraCamaroptera brachyura
• Green-backed FirecrownSephanoides sephaniodes
• Green-backed FlycatcherFicedula elisae
• Green-backed GerygoneGerygone chloronota
• Green-backed KingfisherActenoides monachus
• Green-backed SparrowArremonops chloronotus
• Green-backed TailorbirdOrthotomus chloronotus
• Green-backed TitParus monticolus
• Green-backed TrogonTrogon viridis
• Green-barred WoodpeckerColaptes melanochloros
• Green-billed CoucalCentropus chlororhynchos
• Green-billed MalkohaPhaenicophaeus tristis
• Green-breasted Mountain-gemLampornis sybillae
• Green-capped EremomelaEremomela scotops
• Green-cheeked ParakeetPyrrhura molinae
• Green-crowned BrilliantHeliodoxa jacula
• Green-crowned PlovercrestStephanoxis lalandi
• Green-crowned WarblerPhylloscopus burkii
• Green-eared BarbetPsilopogon faiostrictus
• Green-fronted LancebillDoryfera ludovicae
• Green-headed OrioleOriolus chlorocephalus
• Green-headed SunbirdCyanomitra verticalis
• Green-headed TanagerTangara seledon
• Green-rumped ParrotletForpus passerinus
• Green-striped BrushfinchArremon virenticeps
• Green-tailed GoldenthroatPolytmus theresiae
• Green-tailed JacamarGalbula galbula
• Green-tailed SunbirdAethopyga nipalensis
• Green-tailed TowheePipilo chlorurus
• Green-tailed TrainbearerLesbia nuna
• Green-throated EuphoniaEuphonia chalybea
• Green-throated Mountain-gemLampornis viridipallens
• Green-winged PytiliaPytilia melba
• Green-winged SaltatorSaltator similis
• Green-winged TealAnas crecca
• Greenish ElaeniaMyiopagis viridicata
• Greenish PufflegHaplophaedia aureliae
• Greenish SchiffornisSchiffornis virescens
• Greenish TyrannuletPhyllomyias virescens
• Greenish WarblerPhylloscopus trochiloides
• Greenish Yellow-FinchSicalis olivascens
• Groove-billed AniCrotophaga sulcirostris
• Groove-billed ToucanetAulacorhynchus sulcatus
• Grosbeak WeaverAmblyospiza albifrons
• Ground ParrotPezoporus wallicus
• Ground TitPseudopodoces humilis
• GuaiaberoBolbopsittacus lunulatus
• Guatemalan TyrannuletZimmerius vilissimus
• Guayaquil WoodpeckerCampephilus gayaquilensis
• Guianan Cock-of-the-rockRupicola rupicola
• Guianan PuffbirdNotharchus macrorhynchos
• Guianan Red-CotingaPhoenicircus carnifex
• Guianan Streaked-AntwrenMyrmotherula surinamensis
• Guianan ToucanetSelenidera piperivora
• Guianan TyrannuletZimmerius acer
• Guianan Violaceous TrogonTrogon violaceus
• Guianan Warbling-AntbirdHypocnemis cantator
• Guianan WoodcreeperLepidocolaptes albolineatus
• Guinea TuracoTauraco persa
• Guira CuckooGuira guira
• Guira TanagerHemithraupis guira
• Gull-billed TernGelochelidon nilotica
• Guttulate Foliage-gleanerSyndactyla guttulata
• GyrfalconFalco rusticolus