- Gadwall
- Gartered Trogon
- Gold-ringed Tanager
- Golden-bellied Flycatcher
- Golden-cheeked Woodpecker
- Golden-collared Manakin
- Golden-crowned Kinglet
- Golden-faced Tyrannulet
- Golden-fronted Whitestart
- Golden-fronted Woodpecker
- Golden-hooded Tanager
- Golden-naped Tanager
- Golden-olive Woodpecker
- Golden-winged Warbler
- Golden Grosbeak
- Golden Tanager
- Gorgeted Woodstar
- Grass Wren
- Grasshopper Sparrow
- Great Black-backed Gull
- Great Blue Heron
- Great Crested Flycatcher
- Great Curassow
- Great Egret
- Great Green Macaw
- Great Grey Owl
- Great Kiskadee
- Great Lizard Cuckoo
- Great Potoo
- Great Sapphirewing
- Great Thrush
- Great Tinamou
- Greater Antillean Grackle
- Greater Yellowlegs
- Green-crowned Brilliant
- Green-winged Teal
- Green Hermit
- Green Heron
- Green Honeycreeper
- Green Ibis
- Green Jay
- Green Kingfisher
- Green Thorntail
- Greenish Puffleg
- Grey-breasted Mountain Toucan
- Grey-breasted Wood Wren
- Grey-browed Brushfinch
- Grey-capped Flycatcher
- Grey-cowled Wood Rail
- Grey-crowned Yellowthroat
- Grey-headed Chachalaca
- Grey-headed Tanager
- Grey-lined Hawk
- Grey Catbird
- Grey Hawk
- Grey Kingbird
- Grey Plover
- Groove-billed Ani
- Gundlach's Hawk