- Gambel's Quail
- Garden Warbler
- Glaucous-winged Gull
- Glaucous Gull
- Glossy Ibis
- Goldcrest
- Grassland Yellow Finch
- Great Black-backed Gull
- Great Blue Heron
- Great Cormorant
- Great Crested Grebe
- Great Egret
- Great Frigatebird
- Great Skua
- Great Spotted Woodpecker
- Great Tit
- Greater Crested Tern
- Greater Flamingo
- Greater White-fronted Goose
- Green-tailed Towhee
- Green Heron
- Grey-headed Chickadee
- Grey Catbird
- Grey Heron
- Grey Kingbird
- Grey Plover
- Grey Wagtail
- Greylag Goose