Galago senegalensis Geoffroy Saint-Hilaire, 1796
Galbula galbula (Linnaeus, 1766)
Galemys pyrenaicus (Geoffroy Saint-Hilaire, 1811)
Galeopterus variegatus (Audebert, 1799)
Gallinago gallinago (Linnaeus, 1758)
Gallus gallus domesticus (Linnaeus, 1758)
Ganoderma adspersum (Schulzer) Donk
Garrulus glandarius (Linnaeus, 1758)
Gasterosteus aculeatus Linnaeus, 1758
Gavia stellata (Pontoppidan, 1763)
Gazella leptoceros (F. Cuvier, 1842)
Gazella thomsonii Günther, 1884 – synoniem of Eudorcas thomsonii (Günther, 1884)
Gelasimus tetragonon (Herbst, 1790) – synoniem of Uca tetragonon (Herbst, 1790)
Geochelone gigantea – synoniem of Aldabrachelys gigantea (Schweigger, 1812)
Geococcyx californianus (Lesson, 1829)
Geokichla sibirica (Pallas, 1776)
Geospiza conirostris Ridgway, 1890
Geospiza fuliginosa Gould, 1837
Geospiza magnirostris Gould, 1837
Geospiza scandens (Gould, 1837)
Geronticus calvus (Boddaert, 1783)
Giraffa camelopardalis reticulata de Winton, 1899 – synoniem of Giraffa reticulata de Winton, 1899
Giraffa reticulata de Winton, 1899
Glaucidium passerinum (Linnaeus, 1758)
Glaucomys sabrinus (Shaw, 1801)
Glossobalanus minutus (Kowalvesky, 1866)
Gobiusculus flavescens (Fabricius, 1779)
Gomphosus caeruleus Lacepède, 1801
Gomphosus varius Lacepède, 1801 – synoniem of Gomphosus caeruleus Lacepède, 1801
Gongylus gongylodes (Linnaeus, 1758)
Gordius subspiralis Diesing, 1861
Gorilla gorilla (Savage, 1847)
Goura scheepmakeri Finsch, 1876
Gracilechinus acutus (Lamarck, 1816)
Grus japonensis (Statius Muller, 1776)
Grus virgo (Linnaeus, 1758) – synoniem of Anthropoides virgo (Linnaeus, 1758)
Gryllus campestris Linnaeus, 1758
Gypaetus barbatus (Linnaeus, 1758)
Gyps bengalensis (Gmelin, 1788)