- Galah
- Galapagos Mockingbird
- Giant Kingfisher
- Gila Woodpecker
- Glaucous Gull
- Glittering-bellied Emerald
- Glossy-mantled Manucode
- Glossy Ibis
- Golden-bellied Flycatcher
- Golden-collared Manakin
- Golden-crowned Warbler
- Golden-faced Tyrannulet
- Golden-fronted Woodpecker
- Golden-headed Quetzal
- Golden-hooded Tanager
- Golden-naped Tanager
- Golden-olive Woodpecker
- Golden Tanager
- Gorgeted Sunangel
- Graceful Prinia
- Great-tailed Grackle
- Great Black Hawk
- Great Cormorant
- Great Egret
- Great Kiskadee
- Great Potoo
- Great Thrush
- Great White Pelican
- Greater Ani
- Greater Coucal
- Greater Double-collared Sunbird
- Greater Flamingo
- Greater Kestrel
- Greater Rhea
- Green-bearded Helmetcrest
- Green-crowned Brilliant
- Green-fronted Lancebill
- Green-winged Pytilia
- Green Hermit
- Green Heron
- Green Honeycreeper
- Green Ibis
- Green Imperial Pigeon
- Green Kingfisher
- Green Sandpiper
- Green Thorntail
- Green Wood Hoopoe
- Greenish Elaenia
- Grey-capped Flycatcher
- Grey-capped Social Weaver
- Grey-crowned Babbler
- Grey-headed Kite
- Grey-headed Swamphen
- Grey Butcherbird
- Grey Crowned Crane
- Grey Go-away-bird
- Grey Heron
- Grey Sunbird
- Grey Thrasher
- Grey Tit-Flycatcher
- Grey Waxbill
- Groove-billed Ani
- Groundscraper Thrush