| Common Name | Scientific name |
|---|---|
| Grenada Dove | Leptotila wellsi |
| Grenada Flycatcher | Myiarchus nugator |
| Grey Crowned Crane | Balearica regulorum |
| Grey Heron | Ardea cinerea |
| Grey Parrot | Psittacus erithacus |
| Grey Partridge | Perdix perdix |
| Grey Plover | Pluvialis squatarola |
| Grey Wagtail | Motacilla cinerea |
| Grey-backed Thrush | Turdus hortulorum |
| Grey-headed Wagtail | Motacilla flava thunbergi |
| Grey-headed Woodpecker | Picus canus |
| Grey-necked Bunting | Emberiza buchanani |
| Grey-tailed Tattler | Tringa brevipes |
| Greylag Goose | Anser anser |
| Griffon Vulture | Gyps fulvus |
| Groove-billed Ani | Crotophaga sulcirostris |
| Guadalupe Caracara | Caracara lutosa |
| Guadalupe Junco | Junco insularis |
| Guadalupe Murrelet | Synthliboramphus hypoleucus |
| Guadalupe Storm-Petrel | Oceanodroma macrodactyla |
| Guadeloupe Woodpecker | Melanerpes herminieri |
| Guamo (machete) | Inga edulis |
| Guayacan amarillo | Handroanthus chrysanthus |
| Guinea Turaco | Tauraco persa |
| Gull-billed Tern | Gelochelidon nilotica |
RingBase adheres to EURING codes.
