- Gadwall
- Gentoo Penguin
- Glossy Ibis
- Golden-crowned Kinglet
- Golden-winged Warbler
- Golden Eagle
- Grasshopper Sparrow
- Great Black-backed Gull
- Great Blue Heron
- Great Crested Flycatcher
- Great Egret
- Great Grey Owl
- Great Horned Owl
- Great Shearwater
- Greater Flamingo
- Greater Roadrunner
- Greater Yellowlegs
- Green-backed Trogon
- Green-winged Teal
- Green Aracari
- Green Heron
- Grey-cheeked Thrush
- Grey Catbird
- Grey Partridge
- Gyrfalcon