- Garden Warbler
- Giant Cowbird
- Giant Kingfisher
- Glittering-throated Emerald
- Glossy Ibis
- Golden-bellied Gerygone
- Golden-collared Macaw
- Golden-crowned Warbler
- Golden Eagle
- Golden Pipit
- Goliath Heron
- Great Black Hawk
- Great Blue Heron
- Great Blue Turaco
- Great Cormorant
- Great Dusky Swift
- Great Egret
- Great Grebe
- Great Grey Shrike
- Great Hornbill
- Great Horned Owl
- Great Kiskadee
- Great Myna
- Great Potoo
- Great Rufous Woodcreeper
- Great Stone-curlew
- Great White Pelican
- Greater Ani
- Greater Blue-eared Starling
- Greater Coucal
- Greater Crested Tern
- Greater Flamingo
- Greater Racket-tailed Drongo
- Greater Rhea
- Greater Sand Plover
- Greater Thornbird
- Green-backed Camaroptera
- Green-barred Woodpecker
- Green-billed Coucal
- Green Ibis
- Green Imperial Pigeon
- Green Kingfisher
- Grey-backed Fiscal
- Grey-cowled Wood Rail
- Grey-crested Cacholote
- Grey-headed Canary-flycatcher
- Grey-headed Fish Eagle
- Grey-headed Gull
- Grey-headed Kingfisher
- Grey-headed Swamphen
- Grey-headed Tanager
- Grey-winged Blackbird
- Grey Bush Chat
- Grey Crowned Crane
- Grey Heron
- Grey Kestrel
- Grey Partridge
- Grey Plover
- Grey Wagtail
- Greyish Baywing
- Greyish Eagle-Owl
- Griffon Vulture
- Guira Cuckoo
- Güldenstädt's Redstart
- Gull-billed Tern