Galerida, Genus
Galliformes, Ordo
Gallinago, Genus
Gallinula, Genus
Garrulus, Genus
Gavia, Genus
Gaviidae, Familia
Gaviiformes, Ordo
Gelochelidon, Genus
Glareola, Genus
Glareolidae, Familia
Glaucidium, Genus
Gruidae, Familia
Gruiformes, Ordo
Grus, Genus
Gypaetus, Genus
Gyps, Genus