- Gartered Trogon
- Golden-bellied Flycatcher
- Golden-cheeked Woodpecker
- Golden-collared Manakin
- Golden-crowned Kinglet
- Golden-fronted Woodpecker
- Golden-hooded Tanager
- Golden-olive Woodpecker
- Golden-winged Warbler
- Golden Grosbeak
- Gorgeted Woodstar
- 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 Thrush
- Great Tinamou
- Greater Antillean Grackle
- Greater Yellowlegs
- Green-crowned Brilliant
- Green Hermit
- Green Heron
- Green Honeycreeper
- Green Ibis
- Green Jay
- Green Kingfisher
- Green Thorntail
- Grey-breasted Wood Wren
- Grey-browed Brushfinch
- Grey-capped Flycatcher
- Grey-crowned Yellowthroat
- Grey-headed Chachalaca
- Grey-headed Tanager
- Grey-lined Hawk
- Grey-necked Wood Rail
- Grey Catbird
- Grey Hawk
- Grey Kingbird
- Grey Plover
- Greyish Saltator
- Groove-billed Ani
- Gundlach's Hawk