| Common Name | Scientific name |
|---|---|
| Greater Antillean Grackle | Quiscalus niger |
| Greater Antillean Nightjar | Antrostomus cubanensis |
| Greater Blue-eared Glossy-Starling | Lamprotornis chalybaeus |
| Greater Flamingo | Phoenicopterus roseus |
| Greater Koa-Finch | Rhodacanthis palmeri |
| Greater Necklaced Laughingthrush | Garrulax pectoralis |
| Greater Pewee | Contopus pertinax |
| Greater Prairie-Chicken | Tympanuchus cupido |
| Greater Rhea | Rhea americana |
| Greater Roadrunner | Geococcyx californianus |
| Greater Sage-Grouse | Centrocercus urophasianus |
| Greater Sand Plover | Charadrius leschenaultii |
| Greater Scaup | Aythya marila |
| Greater Short-toed Lark | Calandrella brachydactyla |
| Greater Spotted Eagle | Clanga clanga |
| Greater White-fronted Goose | Anser albifrons |
| Greater Yellowlegs | Tringa melanoleuca |
| Green Hermit | Phaethornis guy |
| Green Heron | Butorides virescens |
| Green Honeycreeper | Chlorophanes spiza |
| Green Ibis | Mesembrinibis cayennensis |
| Green Jay | Cyanocorax yncas |
| Green Kingfisher | Chloroceryle americana |
| Green Manakin | Cryptopipo holochlora |
| Green Mango | Anthracothorax viridis |
RingBase adheres to EURING codes.
