| Common Name | Scientific name |
|---|---|
| Japanese Quail | Coturnix japonica |
| Coiba Spinetail | Cranioleuca dissita |
| Red-faced Spinetail | Cranioleuca erythrops |
| Great Curassow | Crax rubra |
| Swallow-tailed Gull | Creagrus furcatus |
| Corn Crake | Crex crex |
| Yellow-fronted Canary | Crithagra mozambica |
| Drago | Croton sp. |
| Smooth-billed Ani | Crotophaga ani |
| Greater Ani | Crotophaga major |
| Groove-billed Ani | Crotophaga sulcirostris |
| Plumbeous Hawk | Cryptoleucopteryx plumbea |
| Green Manakin | Cryptopipo holochlora |
| Slaty-breasted Tinamou | Crypturellus boucardi |
| Thicket Tinamou | Crypturellus cinnamomeus |
| Choco Tinamou | Crypturellus kerriae |
| Little Tinamou | Crypturellus soui |
| Common Cuckoo | Cuculus canorus |
| Oriental Cuckoo | Cuculus optatus |
| Cream-colored Courser | Cursorius cursor |
| Purple Honeycreeper | Cyanerpes caeruleus |
| Red-legged Honeycreeper | Cyanerpes cyaneus |
| Shining Honeycreeper | Cyanerpes lucidus |
| Eurasian Blue Tit | Cyanistes caeruleus |
| Azure Tit | Cyanistes cyanus |
RingBase adheres to EURING codes.
