- Gray Thickhead
- Gray Thornbill
- Gray Thrasher
- Gray Tinamou
- Gray Tit
- Gray Tit-Flycatcher
- Gray Treepie
- Gray Trembler
- Gray Vireo
- Gray Wagtail
- Gray Warbler-Finch
- Gray Warbler Finch
- Gray Whistler
- Gray White-eye
- Gray Woodpecker
- Gray Wren
- Gray Wren-Warbler
- Gray and Chestnut Seedeater
- Gray and chestnut Seedeater
- Gray fantail
- Gray headed canary flycatcher
- Gray partridge
- Graydidascalus
- Graydidascalus brachyurus
- Grayish Baywing
- Grayish Eagle-Owl
- Grayish Eagle Owl
- Grayish Flycatcher
- Grayish Miner
- Grayish Mourner
- Grayish Piculet
- Grayish Saltator
- Graylag Goose
- Grayson's Thrush
- Great-Horned Owl
- Great-billed Hermit
- Great-billed Heron
- Great-billed Kingfisher
- Great-billed Mannikin
- Great-billed Munia
- Great-billed Parrot
- Great-billed Seed-Finch
- Great-billed Seed Finch
- Great-crested Flycatcher
- Great-tailed Grackle
- Great-winged Petrel
- Great Antpitta
- Great Antshrike
- Great Argus
- Great Argus Pheasant
- Great Astrapia
- Great Auk
- Great Barbet
- Great Bay National Estuarine Research Reserve
- Great Bird-of-paradise
- Great Bittern
- Great Black-Backed Gull
- Great Black-Hawk
- Great Black-back Gull
- Great Black-backed Gull
- Great Black-headed Gull
- Great Black-headed or Pallas's Gull
- Great Black Hawk
- Great Blue Heron
- Great Blue Pitta
- Great Blue Plantain-eater
- Great Blue Turaco
- Great Bowerbird
- Great Britain
- Great Bustard
- Great Cormorant
- Great Crested-Flycatcher
- Great Crested-Tern
- Great Crested Flycatcher
- Great Crested Grebe
- Great Crested Tern
- Great Cuckoo-Dove
- Great Cuckoo Dove
- Great Curassow
- Great Dusky Swift
- Great Eagle-Owl
- Great Eagle Owl
- Great Eared-Nightjar
- Great Eared Nightjar
- Great Egret
- Great Elaenia
- Great Flowerpiercer
- Great Frigatebird
- Great Gray Owl
- Great Gray Shrike
- Great Grebe
- Great Green Macaw
- Great Grey Bowerbird
- Great Grey Owl
- Great Grey Shrike
- Great Hanging-Parrot
- Great Hanging Parrot
- Great Helmeted Hornbill
- Great Hornbill
- Great Horned Owl
- Great Inca-Finch
- Great Inca Finch
- Great Indian Bustard
- Great Indian Hornbill
- Great Iora
- Great Jacamar
- Great Kai White-eye
- Great Kei White-eye
- Great Kiskadee
- Great Knot
- Great Lakes
- Great Lizard-Cuckoo
- Great Lizard Cuckoo
- Great Meadows National Wildlife Refuge
- Great Myna
- Great Mynah
- Great Nicobar Serpent Eagle
- Great Northern Diver
- Great Northern Loon
- Great Palm Cockatoo
- Great Pampa-Finch
- Great Pampa Finch
- Great Parrotbill
- Great Philippine Eagle
- Great Philippine Hornbill
- Great Pied Hornbill
- Great Pitta
- Great Potoo
- Great Reed-Warbler
- Great Reed Warbler
- Great Rhinoceros Hornbill
- Great Rosefinch
- Great Rufous Sparrow
- Great Rufous Woodcreeper
- Great Sapphirewing
- Great Shearwater
- Great Shortwing
- Great Shrike-Tanager
- Great Shrike-Tyrant
- Great Shrike Tanager
- Great Shrike Tyrant
- Great Skua
- Great Slaty Woodpecker
- Great Snipe
- Great Sparrow
- Great Sparrowhawk
- Great Spinetail
- Great Spotted Cuckoo
- Great Spotted Kiwi
- Great Spotted Woodpecker
- Great Stone-Plover
- Great Stone-curlew
- Great Stone Curlew
- Great Swallow-tailed Swift
- Great Thick-knee
- Great Thrush
- Great Tinamou
- Great Tit
- Great Turaco
- Great White Egret
- Great White Heron
- Great White Pelican
- Great Woodswallow
- Great Xenops
- Great Yap White-eye
- Great black cockatoo
- Greater Adjutant
- Greater Adjutant Stork
- Greater Akialoa
- Greater Amakihi
- Greater Ani
- Greater Antillean Bullfinch
- Greater Antillean Elaenia
- Greater Antillean Grackle
- Greater Antillean Nightjar
- Greater Antillean Oriole
- Greater Antillean Pewee
- Greater Antilles
- Greater Band-winged Nightjar
- Greater Bird-of-Paradise
- Greater Bird-of-paradise
- Greater Bird of Paradise
- Greater Black-backed Gull
- Greater Black Coucal
- Greater Blue-eared Glossy-Starling
- Greater Blue-eared Glossy Starling
- Greater Blue-eared Starling
- Greater Bluebonnet
- Greater Cape Verde Kestrel
- Greater Coucal
- Greater Crested Tern
- Greater Double-collared Sunbird
- Greater Fishing Eagle
- Greater Flame-backed Woodpecker
- Greater Flameback
- Greater Flamingo
- Greater Flowerpecker
- Greater Flowerpiercer
- Greater Frigatebird
- Greater Glossy-Starling
- Greater Glossy Starling
- Greater Golden-backed Woodpecker
- Greater Goldenback
- Greater Goldenback Woodpecker
- Greater Green-billed Malkoha
- Greater Green Leafbird
- Greater Ground-Robin
- Greater Ground-robin
- Greater Ground Robin
- Greater Honeyguide
- Greater Hoopoe-Lark
- Greater Hoopoe Lark
- Greater Kestrel
- Greater King Myna
- Greater King Starling
- Greater Koa-Finch
- Greater Koa Finch
- Greater Leafbird
- Greater Manakin
- Greater Melampitta
- Greater Necklaced Laughing-thrush
- Greater Necklaced Laughingthrush
- Greater Painted-Snipe
- Greater Painted-snipe
- Greater Painted Snipe
- Greater Pewee
- Greater Pied Puffbird
- Greater Pitohui
- Greater Prairie-Chicken
- Greater Prairie Chicken
- Greater Racket-tailed Drongo
- Greater Racquet-tailed Drongo
- Greater Red-headed Babbler
- Greater Red-headed Parrotbill
- Greater Red-headed Tree-Babbler
- Greater Red-headed Tree Babbler
- Greater Rhea
- Greater Roadrunner
- Greater Rufous-headed Parrotbill
- Greater Sage-Grouse
- Greater Sage Grouse
- Greater Sand Plover
- Greater Sandplover
- Greater Scaly-breasted Wren-Babbler
- Greater Scaly-breasted Wren Babbler
- Greater Scaup
- Greater Schiffornis
- Greater Scimitar-Babbler
- Greater Scimitar Babbler
- Greater Scythebill
- Greater Shearwater
- Greater Short-toed Lark
- Greater Shrike-babbler
- Greater Shrike Babbler
- Greater Sickle-billed Bird-of-paradise
- Greater Sicklebill
- Greater Six-plumed Bird-of-paradise
- Greater Six-plumed Bird of paradise
- Greater Snow Goose
- Greater Snow Petrel
- Greater Sooty-Owl
- Greater Sooty Owl
- Greater Spotted Eagle
- Greater Streaked Honeyeater
- Greater Streaked Lory
- Greater Striped-Swallow
- Greater Striped Swallow
- Greater Sulawesi Honeyeater
- Greater Sunda Islands
- Greater Sunda Scops-owl
- Greater Sunda Scops Owl
- Greater Sundas
- Greater Superb Bird-of-Paradise
- Greater Swamp-Warbler
- Greater Swamp Warbler
- Greater Thornbird
- Greater Vancouver
- Greater Vasa Parrot
- Greater Wagtail-Tyrant
- Greater Wagtail Tyrant
- Greater Wallacean Drongo
- Greater Wattled Honeyeater
- Greater White-fronted Goose
- Greater Whitethroat
- Greater Wood-shrike
- Greater Wood Shrike
- Greater Woodswallow
- Greater Yellow-Finch
- Greater Yellow-headed Turkey Vulture
- Greater Yellow-headed Vulture
- Greater Yellow-naped Woodpecker
- Greater Yellow Finch
- Greater Yellowlegs
- Greater Yellownape
- Greater sage-grouse
- Grebe
- Grebes
- Greece
- Green-and-black Fruiteater
- Green-and-gold Tanager
- Green-and-rufous Kingfisher
- Green-and-white Hummingbird
- Green-backed Babbler
- Green-backed Becard
- Green-backed Bulbul
- Green-backed Camaroptera
- Green-backed Eremomela
- Green-backed Firecrown
- Green-backed Flowerpecker
- Green-backed Flycatcher
- Green-backed Gerygone
- Green-backed Gerygone Warbler
- Green-backed Heron
- Green-backed Hillstar
- Green-backed Honeybird
- Green-backed Honeyeater
- Green-backed Honeyguide
- Green-backed Kingfisher
- Green-backed Robin
- Green-backed Sparrow
- Green-backed Sunbird
- Green-backed Tailorbird
- Green-backed Tit
- Green-backed Trogon
- Green-backed Trumpeter
- Green-backed Twinspot
- Green-backed Whistler
- Green-backed White-eye
- Green-backed Woodpecker
- Green-barred Woodpecker
- Green-bearded Helmetcrest
- Green-bellied Hummingbird
- Green-billed Coucal
- Green-billed Ground-Cuckoo
- Green-billed Ground Cuckoo
- Green-billed Malkoha
- Green-billed Toucan
- Green-breasted Bush-shrike
- Green-breasted Bushshrike
- Green-breasted Mango
- Green-breasted Manucode
- Green-breasted Mountain-Gem
- Green-breasted Mountain-gem
- Green-breasted Mountain Gem
- Green-breasted Mountaingem


