- Gadwall
- Galah
- Garden Warbler
- Garganey
- Gartered Trogon
- Glaucous Gull
- Glossy Ibis
- Goldcrest
- Golden-headed Manakin
- Golden-hooded Tanager
- Golden-spangled Piculet
- Golden Eagle
- Golden Pheasant
- Great Black-backed Gull
- Great Black Hawk
- Great Blue Heron
- Great Cormorant
- Great Crested Flycatcher
- Great Crested Grebe
- Great Curassow
- Great Egret
- Great Green Macaw
- Great Grey Owl
- Great Grey Shrike
- Great Hornbill
- Great Kiskadee
- Great Reed Warbler
- Great Skua
- Great Spotted Cuckoo
- Great Spotted Woodpecker
- Great Spotted Woodpecker (canariensis)
- Great Tit
- Great White Pelican
- Greater Ani
- Greater Crested Tern
- Greater Flamingo
- Greater Hoopoe-Lark
- Greater Rhea
- Greater Scaup
- Greater Short-toed Lark
- Greater White-fronted Goose
- Greater Yellowlegs
- Green-backed Trogon
- Green-crowned Brilliant
- Green-tailed Jacamar
- Green-winged Teal
- Green Heron
- Green Honeycreeper
- Green Kingfisher
- Green Oropendola
- Green Sandpiper
- Greenish Warbler
- Grey-breasted Martin
- Grey-cowled Wood Rail
- Grey-headed Chickadee
- Grey-headed Woodpecker
- Grey-lined Hawk
- Grey-tailed Mountaingem
- Grey Crowned Crane
- Grey Heron
- Grey Junglefowl
- Grey Plover
- Grey Wagtail
- Greylag Goose
- Griffon Vulture
- Guianan Cock-of-the-rock
- Guianan Tyrannulet
- Gull-billed Tern