- Gadwall
- Garden Warbler
- Garganey
- Gillett's Lark
- Glaucous Gull
- Glossy Black Cockatoo
- Glossy Ibis
- Glossy Swiftlet
- Goldcrest
- Golden-crowned Kinglet
- Golden Eagle
- Goliath Heron
- Goliath Imperial Pigeon
- Great Black-backed Gull
- Great Blue Heron
- Great Bustard
- Great Cormorant
- Great Crested Grebe
- Great Egret
- Great Grey Shrike
- Great Reed Warbler
- Great Skua
- Great Spotted Cuckoo
- Great Spotted Woodpecker
- Great Tit
- Great White Pelican
- Greater Blue-eared Starling
- Greater Crested Tern
- Greater Flamingo
- Greater Scaup
- Greater Short-toed Lark
- Greater Yellowlegs
- Green-backed White-eye
- Green Rosella
- Green Sandpiper
- Grey-backed Camaroptera
- Grey-backed Fiscal
- Grey-headed Chickadee
- Grey-headed Gull
- Grey Butcherbird
- Grey Catbird
- Grey Currawong
- Grey Fantail
- Grey Heron
- Grey Plover
- Grey Shrikethrush
- Grey Teal
- Grey Wagtail
- Greyish Eagle-Owl
- Greylag Goose
- Griffon Vulture
- Gull-billed Tern