- Gadwall
- Garden Warbler
- Garganey
- Glaucous Gull
- Glossy Ibis
- Goldcrest
- Golden Eagle
- Great Auk
- Great Black-backed Gull
- Great Bustard
- Great Cormorant
- Great Crested Grebe
- Great Egret
- Great Grey Shrike
- Great Skua
- Great Snipe
- Great Spotted Cuckoo
- Great Spotted Woodpecker
- Great Tit
- Greater Crested Tern
- Greater Flamingo
- Greater Scaup
- Greater Short-toed Lark
- Greater Spotted Eagle
- Green-winged Teal
- Green Sandpiper
- Grey Heron
- Grey Partridge
- Grey Petrel
- Grey Plover
- Grey Wagtail
- Greylag Goose
- Griffon Vulture
- Gull-billed Tern
- Gyrfalcon