- Grebe, Australasian / Tachybaptus novaehollandiae
- Grebe, Clark's / Aechmophorus clarkii
- Grebe, Eared / Podiceps nigricollis
- Grebe, Great / Podiceps major
- Grebe, Great Crested / Podiceps cristatus
- Grebe, Horned / Podiceps auritus
- Grebe, Least / Tachybaptus dominicus
- Grebe, Little / Tachybaptus ruficollis capensis
- Grebe, Pied-billed / Podilymbus podiceps
- Grebe, Silvery / Podiceps occipitalis
- Grebe, Western / Aechmophorus occidentalis
- Greenbul, Joyful / Chlorocichla laetissima
- Greenbul, Slender-billed / Stelgidillas gracilirostris
- Greenbul, Pale-throated / Atimastillas flavigula
- Greenfinch, European / Chloris chloris
- Greenlet, Rufous-crowned / Hylophilus poicilotis
- Greenshank, Common / Tringa nebularia
- Grenadier, Purple / Granatina ianthinogaster
- Griffon, Eurasian / Gyps fulvus
- Grosbeak, Black-headed / Pheucticus melanocephalus
- Grosbeak, Black-throated / Saltator fuliginosus
- Grosbeak, Blue / Passerina caerulea
- Grosbeak, Blue-black / Cyanoloxia cyanoides
- Grosbeak, Crimson-collared / Periporphyrus celaeno
- Grosbeak, Golden / Pheucticus chrysogaster
- Grosbeak, Rose-breasted / Pheucticus ludovicianus
- Grosbeak, Slate-colored / Saltator grossus
- Grosbeak, Yellow-shouldered / Parkerthraustes humeralis
- Guan, Andean / Penelope montagnii
- Guan, Black / Chamaepetes unicolor
- Guan, Black-fronted Piping- / Pipile jacutinga
- Guan, Blue-throated Piping- / Pipile cumanensis
- Guan, Crested / Penelope purpurascens
- Guan, Dusky-legged / Penelope obscura
- Guan, Sickle-winged / Chamaepetes goudotii
- Guillemot, Pigeon / Cepphus columba
- Guineafowl, Helmeted / Numida meleagris
- Gull, Americcan Herring / Larus smithsonianus
- Gull, Andean / Chroicocephalus serranus
- Gull, Belcher's / Larus belcheri
- Gull, Black-headed / Chroicocephalus ridibundus
- Gull, Bonaparte's / Chroicocephalus philadelphia
- Gull, Brown-headed / Chroicocephalus brunnicephalus
- Gull, California / Larus californicus
- Gull, Common (European) / Larus canus
- Gull, European Herring / Larus argentatus
- Gull, Franklin’s / Leucophaeus pipixcan
- Gull, Glaucous-winged / Larus glaucescens
- Gull, Gray / Leucophaeus modestus
- Gull, Gray-hooded / Chroicocephalus cirrocephalus
- Gull, Great Black-backed / Larus marinus
- Gull, Heermann's / Larus heermanni
- Gull, Kelp / Larus dominicanus
- Gull, Laughing / Leucophaeus atricilla
- Gull, Lesser Black-backed / Larus fuscus
- Gull, Little / Hydrocoloeus minutus
- Gull, Pallas's / Ichthyaetus ichthyaetus
- Gull, Ring-billed / Larus delawarensis
- Gull, Short-billed / Larus brachyrhynchus
- Gull, Silver / Chroicocephalus novaehollandiae
- Gull, Western / Larus occidentalis
- Gull, Yellow-legged / Larus michahellis
- Hamerkop / Scopus umbretta
- Hardhead / Aythya australis
- Harrier, African Marsh / Circus ranivorus
- Harrier, Montagu's / Circus pygargus
- Harrier, Northern / Circus hudsonius
- Harrier, Pallid / Circus macrourus
- Harrier, Pied / Circus melanoleucos
- Harrier, Western Marsh / Circus aeruginosus
- Hawfinch / Coccothraustes coccothraustes
- Hawk, African Harrier- / Polyboroides typus
- Hawk, Bat / Macheiramphus alcinus
- Hawk, Black-collared / Busarellus nigricollis
- Hawk, Broad-winged / Buteo platypterus
- Hawk, Common Black / Buteogallus anthracinus
- Hawk, Cooper's / Astur cooperii
- Hawk, Crane / Geranospiza caerulescens
- Hawk, Ferruginous / Buteo regalis
- Hawk, Gray / Buteo plagiatus
- Hawk, Gray-lined / Buteo nitidus
- Hawk, Great Black / Buteogallus urubitinga
- Hawk, Harris’s / Parabuteo unicinctus
- Hawk, Hawaiian / Buteo solitarius
- Hawk, Red-shouldered / Buteo lineatus
- Hawk, Red-tailed / Buteo jamaicensis
- Hawk, Roadside / Rupornis magnirostris
- Hawk, Savanna / Buteogallus meridionalis
- Hawk, Semiplumbeous / Leucopternis semiplumbeus
- Hawk, Sharp-shinned / Accipiter striatus
- Hawk, Short-tailed / Buteo brachyurus
- Hawk, Slate-colored / Buteogallus schistaceus
- Hawk, Swainson's / Buteo swainsoni
- Hawk, Variable / Geranoaetus polyosoma
- Hawk, White / Pseudastur albicollis
- Hawk, White-necked / Buteogallus lacernulatus
- Hawk, White-tailed / Geranoaetus albicaudatus
- Hawk, Zone-tailed / Buteo albonotatus
- Helmetshrike, White-crested / Prionops plumatus
- Hemispingus, Black-eared / Sphenopsis melanotis
- Heron, Agami / Agamia agami
- Heron, Bare-throated Tiger- / Tigrisoma mexicanum
- Heron, Black / Egretta ardesiaca
- Heron, Black-crowned Night / Nycticorax nycticorax
- Heron, Black-headed / Ardea melanocephala
- Heron, Boat-billed / Cochlearius cochlearius
- Heron, Capped / Pilherodius pileatus
- Heron, Chinese Pond- / Ardeola bacchus
- Heron, Cocoi / Ardea cocoi
- Heron, Fasciated Tiger- / Tigrisoma fasciatum
- Heron, Goliath / Ardea goliath
- Heron, Gray / Ardea cinerea
- Heron, Great Blue / Ardea herodias
- Heron, Green / Butorides virescens
- Heron, Javan Pond- / Ardeola speciosa
- Heron, Little Blue / Egretta caerulea
- Heron, Nankeen Night / Nycticorax caledonicus
- Heron, Pacific / Ardea pacifica
- Heron, Pacific Reef- / Egretta sacra
- Heron, Purple / Ardea purpurea
- Heron, Rufescent Tiger- / Tigrisoma lineatum
- Heron, Squacco / Ardeola ralloides
- Heron, Striated / Butorides striata
- Heron, Tricolored / Egretta tricolor
- Heron, Whistling / Syrigma sibilatrix
- Heron, White-faced / Egretta novaehollandiae
- Heron, Yellow-crowned Night / Nyctanassa violacea
- Heron, Zigzag / Zebrilus undulatus
- Hoatzin, / Opisthocomus hoazin
- Hobby, Eurasian / Falco subbuteo
- Honeycreeper, Golden-collared / Iridophanes pulcherrimus
- Honeycreeper, Green / Chlorophanes spiza
- Honeycreeper, Purple / Cyanerpes caeruleus
- Honeycreeper, Red-legged / Cyanerpes cyaneus
- Honeyeater, Blue-faced / Entomyzon cyanotis
- Honeyeater, Bridled / Bolemoreus frenatus
- Honeyeater, Brown / Lichmera indistincta
- Honeyeater, Brown-backed / Ramsayornis modestus
- Honeyeater, Brown-headed / Melithreptus brevirostris
- Honeyeater, Lewin's / Meliphaga lewinii
- Honeyeater, Macleay's / Xanthotis macleayanus
- Honeyeater, New Holland / Phylidonyris novaehollandiae
- Honeyeater, Singing / Gavicalis virescens
- Honeyeater, Spiny-cheeked / Acanthagenys rufogularis
- Honeyeater, Striped / Plectorhyncha lanceolata
- Honeyeater, Varied / Gavicalis versicolor
- Honeyeater, White-plumed / Ptilotula penicillata
- Honeyeater, Yellow / Stomiopera flava
- Honeyeater, Yellow-faced / Caligavis chrysops
- Honeyeater, Yellow-plumed / Ptilotula ornata
- Honeyguide, Greater / Indicator indicator
- Honeyguide, Scaly-throated / Indicator variegatus
- Hoopoe, Eurasian / Upupa epops
- Hornbill, African Gray / Lophoceros nasutus
- Hornbill, Black / Anthracoceros malayanus
- Hornbill, Black-and-white-casqued / Bycanistes subcylindricus
- Hornbill, Bushy-crested / Anorrhinus galeritus
- Hornbill, Crowned / Lophoceros alboterminatus
- Hornbill, Great / Buceros bicornis
- Hornbill, Helmeted / Rhinoplax vigil
- Hornbill, Hemprich's / Lophoceros hemprichii
- Hornbill, Jackson's / Tockus jacksoni
- Hornbill, Northern Red-billed / Tockus erythrorhynchus
- Hornbill, Oriental Pied- / Anthracoceros albirostris
- Hornbill, Rhinoceros, / Buceros rhinoceros
- Hornbill, Southern Ground- / Bucorvus leadbeateri
- Hornbill, Von der Decken's / Tockus deckeni
- Hornbill, Wreathed / Rhyticeros undulatus
- Hornbill, Wrinkled / Rhabdotorrhinus corrugatus
- Hornero, Pale-legged / Furnarius leucopus
- Hornero, Pacific / Furnarius cinnamomeus
- Hornero, Rufous / Furnarius rufus
- Hornero, Wing-banded / Furnarius figulus
- Flycatcher, Acadian / Empidonax virescens
- Flycatcher, African Dusky / Muscicapa adusta
- Flycatcher, African Gray / Bradornis microrhynchus
- Flycatcher, African Paradise- / Terpsiphone viridis
- Flycatcher, Ash-throated / Myiarchus cinerascens
- Flycatcher, Ashy / Fraseria caerulescens
- Flycatcher, Asian Brown / Muscicapa dauurica
- Flycatcher, Baird's / Myiodynastes bairdii
- Flycatcher, Black-and-white Tody- / Poecilotriccus capitalis
- Flycatcher, Black-capped / Empidonax atriceps
- Flycatcher, Black-headed Tody- / Todirostrum nigriceps
- Flycatcher, Blue-and-white / Cyanoptila cyanomelana
- Flycatcher, Blyth's Paradise- / Terpsiphone affinis borneensis
- Flycatcher, Boat-billed / Megarynchus pitangua
- Flycatcher, Bornean Blue / Cyornis superbus
- Flycatcher, Bran-colored / Myiophobus fasciatus
- Flycatcher, Brown-crested / Myiarchus tyrannulus
- Flycatcher, Cinnamon / Pyrrhomyias cinnamomeus
- Flycatcher, Cliff / Hirundinea ferruginea
- Flycatcher, Common Tody- / Todirostrum cinereum
- Flycatcher, Crowned Slaty / Empidonomus aurantioatrocristatus
- Flycatcher, Dark-sided / Muscicapa sibirica
- Flycatcher, Dusky-capped / Myiarchus tuberculifer
- Flycatcher, Eyebrowed Jungle / Vauriella gularis
- Flycatcher, Ferruginous / Muscicapa ferruginea
- Flycatcher, Fork-tailed / Tyrannus savana
- Flycatcher, Golden-crowned / Myiodynastes chrysocephalus
- Flycatcher, Gray / Empidonax wrightii
- Flycatcher, Gray-breasted / Lathrotriccus griseipectus
- Flycatcher, Gray-capped / Myiozetetes granadensis
- Flycatcher, Great Crested / Myiarchus crinitus
- Flycatcher, Gray-headed Canary- / Culicicapa ceylonensis
- Flycatcher, Gray-Headed Tody- / Todirostrum poliocephalum
- Flycatcher, Gray-hooded / Mionectes rufiventris
- Flycatcher, Gray Tit- / Fraseria plumbea
- Flycatcher, Hammond's / Empidonax hammondii
- Flycatcher, Indigo / Eumyias indigo
- Flycatcher, Least / Empidonax minimus
- Flycatcher, Lemon-browed / Conopias cinchoneti
- Flycatcher, Little Pied / Ficedula westermanni
- Flycatcher, Long-tailed Silky- / Ptiliogonys caudatus
- Flycatcher, Mugimaki / Ficedula mugimaki
- Flycatcher, Northern Black- / Melaenornis edolioides
- Flycatcher, Ochre-bellied / Mionectes oleagineus
- Flycatcher, Ochre-faced Tody- / Poecilotriccus plumbeiceps
- Flycatcher, Olive-sided / Contopus cooperi
- Flycatcher, Orange-banded / Nephelomyias lintoni
- Flycatcher, Ornate / Myiotriccus ornatus
- Flycatcher, Pale / Agricola pallidus
- Flycatcher, Pale-edged / Myiarchus cephalotes
- Flycatcher, Panama / Myiarchus panamensis
- Flycatcher, Piratic / Legatus leucophaius
- Flycatcher, Rufous-Crowned Tody- / Poecilotriccus ruficeps
- Flycatcher, Rusty-margined / Myiozetetes cayanensis
- Flycatcher, Satin / Myiagra cyanoleuca
- Flycatcher, Scissor-tailed / Tyrannus forficatus
- Flycatcher, Semicollared / Ficedula semitorquata
- Flycatcher, Sepia-capped / Leptopogon amaurocephalus
- Flycatcher, Shining / Myiagra alecto
- Flycatcher, Short-crested / Myiarchus ferox
- Flycatcher, Slaty-backed / Ficedula erithacus
- Flycatcher, Slaty-blue / Ficedula tricolor
- Flycatcher, Slaty-capped / Leptopogon superciliaris
- Flycatcher, Snowy-browed / Ficedula hyperythra
- Flycatcher, Social / Myiozetetes similis
- Flycatcher, Spotted / Muscicapa striata
- Flycatcher, Spotted Tody- / Todirostrum maculatum
- Flycatcher, Streaked / Myiodynastes maculatus
- Flycatcher, Sulphur-bellied / Myiodynastes luteiventris
- Flycatcher, Sulphury / Tyrannopsis sulphurea
- Flycatcher, Swainson's / Myiarchus swainsoni
- Flycatcher, Swamp / Muscicapa aquatica
- Flycatcher, Taiga / Ficedula albicilla
- Flycatcher, Tawny-chested / Aphanotriccus capitalis
- Flycatcher, Three-striped / Conopias trivirgatus
- Flycatcher, Tickell's Blue / Cyornis tickelliae
- Flycatcher, Tufted / Mitrephanes phaeocercus
- Flycatcher, Verditer, / Eumyias thalassinus
- Flycatcher, Vermilion / Pyrocephalus rubinus
- Flycatcher, White-eyed Slaty- / Melaenornis fischeri
- Flycatcher, White-gorgeted / Anthipes monileger
- Flycatcher, White-tailed Crested / Elminia albonotata
- Flycatcher, Willow / Empidonax traillii
- Flycatcher, Yellowish / Empidonax flavescens
- Flycatcher, Yellow-bellied / Empidonax flaviventris
- Flycatcher, Yellow-rumped / Ficedula zanthopygia
- Flyrobin, Lemon-bellied / Microeca flavigaster
- Foliage-gleaner, Buff-fronted / Dendroma rufa
- Foliage-gleaner, Montane / Anabacerthia striaticollis
- Foliage-gleaner, Rufous-necked / Syndactyla ruficollis
- Foliage-gleaner, Scaly-throated / Anabacerthia variegaticeps
- Forktail, Slaty-backed / Enicurus schistaceus
- Francolin, Black / Francolinus francolinus
- Francolin, Coqui / Campocolinus coqui
- Francolin, Crested / Ortygornis sephaena
- Francolin, Gray / Ortygornis pondicerianus
- Friarbird, Helmeted / Philemon buceroides
- Friarbird, Little / Philemon citreogularis
- Friarbird, Noisy / Philemon corniculatus
- Frigatebird, Great / Fregata minor
- Frigatebird, Magnificent / Fregata magnificens
- Frogmouth, Hodgson's / Batrachostomus hodgsoni
- Frogmouth, Papuan / Podargus papuensis
- Frogmouth, Sunda / Batrachostomus cornutus
- Frogmouth, Tawny / Podargus strigoides
- Fruitcrow, Bare-necked / Gymnoderus foetidus
- Fruitcrow, Purple-throated / Querula purpurata
- Fruiteater, Green-and-black / Pipreola riefferii
- Fruiteater, Orange-breasted / Pipreola jucunda
- Fulvetta, Brown / Alcippe brunneicauda
- Fulvetta, Brown-cheeked / Alcippe poioicephala
- Fulvetta, Rufous-winged / Schoeniparus castaneceps
- Fulvetta, Yunnan / Alcippe fratercula
- Gadwall, / Mareca strepera
- Galah / Eolophus roseicapilla
- Gallinule, Common / Gallinula galeata
- Gallinule, Purple / Porphyrio martinica
- Gannet, Northern / Morus bassanus
- Garganey / Spatula querquedula
- Gerygone, Brown / Gerygone mouki
- Gerygone, Western / Gerygone fusca
- Gerygone, White-throated / Gerygone olivacea
- Gnatcatcher, Black-capped / Polioptila nigriceps
- Gnatcatcher, Black-tailed / Polioptila melanura
- Gnatcatcher, Blue-gray / Polioptila caerulea
- Gnatcatcher, California / Polioptila californica
- Gnatcatcher, Tropical / Polioptila plumbea
- Gnatcatcher, White-browed / Polioptila bilineata
- Gnateater, Black-cheeked / Conopophaga melanops
- Go-away-Bird, Bare-faced / Crinifer personatus
- Go-away-Bird, White-bellied / Crinifer leucogaster
- Godwit, Bar-tailed / Limosa lapponica
- Godwit, Black-tailed / Limosa limosa
- Godwit, Marbled / Limosa fedoa
- Goldcrest / Regulus regulus
- Goldeneye, Common / Bucephala clangula
- Goldfinch, American / Spinus tristis
- Goldfinch, European / Carduelis carduelis
- Goldfinch, Lawrence’s / Spinus lawrencei
- Goldfinch, Lesser / Spinus psaltria
- Gonolek, Black-headed / Laniarius erythrogaster
- Goose, Andean / Oressochen melanopterus
- Goose, Cackling / Branta hutchinsii
- Goose, Canada / Branta canadensis
- Goose, Cotton Pygmy- / Nettapus coromandelianus
- Goose, Egyptian / Alopochen aegyptiaca
- Goose, Graylag / Anser anser
- Goose, Greater White-fronted / Anser albifrons
- Goose, Green Pygmy- / Nettapus pulchellus
- Goose, Hawaiian / Branta sandvicensis
- Goose, Magpie / Anseranas semipalmata
- Goose, Ross's / Anser rossii
- Goose, Snow / Anser caerulescens
- Goshawk, Black / Astur melanoleucus
- Goshawk, Crested / Lophospiza trivirgatus
- Goshawk, Dark Chanting- / Melierax metabates
- Goshawk, Eastern Chanting- / Melierax poliopterus
- Goshawk, Eurasian / Astur gentilis
- Grackle, Boat-tailed / Quiscalus major
- Grackle, Carib / Quiscalus lugubris
- Grackle, Common / Quiscalus quiscula
- Grackle, Great-tailed / Quiscalus mexicanus
- Grassbird, Striated / Megalurus palustris
- Grassbird, Tawny / Cincloramphus timoriensis
- Grassquit, Blue-black / Volatinia jacarina
- Grassquit, Yellow-faced / Tiaris olivaceus
- Graytail, Equatorial / Xenerpestes singularis
