| Common Name | Scientific name |
|---|---|
| Wedge-billed Woodcreeper | Glyphorynchus spirurus |
| Pirre Hummingbird | Goethalsia bella |
| Violet-capped Hummingbird | Goldmania violiceps |
| Hill Myna | Gracula religiosa |
| Black-collared Starling | Gracupica nigricollis |
| Scaled Antpitta | Grallaria guatimalensis |
| Ochre-breasted Antpitta | Grallaricula flavirostris |
| Gray-throated Chat | Granatellus sallaei |
| Red-breasted Chat | Granatellus venustus |
| Whooping Crane | Grus americana |
| Sandhill Crane | Grus canadensis |
| Common Crane | Grus grus |
| Red-crowned Crane | Grus japonensis |
| White-naped Crane | Grus vipio |
| Demoiselle Crane | Grus virgo |
| Mountain guava (Guayaba de monte) | Guayaba de monte |
| White Tern | Gygis alba |
| Bare-crowned Antbird | Gymnocichla nudiceps |
| California Condor | Gymnogyps californianus |
| Bicolored Antbird | Gymnopithys bicolor |
| Australian Magpie | Gymnorhina tibicen |
| Pinyon Jay | Gymnorhinus cyanocephalus |
| Lammergeier | Gypaetus barbatus |
| Griffon Vulture | Gyps fulvus |
| Rüppell's Vulture | Gyps rueppelli |
RingBase adheres to EURING codes.
