- Gabar Goshawk
- Giant Cowbird
- Giant Kingfisher
- Golden-breasted Bunting
- Golden-headed Manakin
- Golden-sided Euphonia
- Golden-spangled Piculet
- Golden-tailed Woodpecker
- Goliath Heron
- Gorgeous Bushshrike
- Great Cormorant (lucidus)
- Great Egret
- Great Kiskadee
- Great Sparrow
- Greater Ani
- Greater Blue-eared Starling
- Greater Crested Tern
- Greater Flamingo
- Greater Kestrel
- Greater Striped Swallow
- Green-backed Camaroptera
- Green-backed Trogon
- Green-winged Pytilia
- Green Honeycreeper
- Green Oropendola
- Green Wood Hoopoe
- Grey-backed Camaroptera
- Grey-backed Cisticola
- Grey-backed Sparrow-Lark
- Grey-breasted Martin
- Grey-breasted Sabrewing
- Grey-chested Greenlet
- Grey-headed Gull
- Grey Heron
- Ground Woodpecker
- Groundscraper Thrush
- Guianan Cock-of-the-rock
- Guianan Trogon