| Common Name | Scientific name |
|---|---|
| Caribbean Dove | Leptotila jamaicensis |
| Caribbean Elaenia | Elaenia martinica |
| Caribbean Martin | Progne dominicensis |
| Carmiol's Tanager | Chlorothraupis carmioli |
| Carolina Chickadee | Poecile carolinensis |
| Carolina Parakeet | Conuropsis carolinensis |
| Carolina Wren | Thryothorus ludovicianus |
| Carrion Crow | Corvus corone |
| Caspian Gull | Larus cachinnans |
| Caspian Plover | Charadrius asiaticus |
| Caspian Stonechat | Saxicola maurus variegatus |
| Caspian Tern | Hydroprogne caspia |
| Cassia Crossbill | Loxia sinesciuris |
| Cassin's Auklet | Ptychoramphus aleuticus |
| Cassin's Finch | Haemorhous cassinii |
| Cassin's Kingbird | Tyrannus vociferans |
| Cassin's Sparrow | Peucaea cassinii |
| Cassin's Vireo | Vireo cassinii |
| Cattle Tyrant | Machetornis rixosa |
| Cave Swallow | Petrochelidon fulva |
| Cedar Waxwing | Bombycilla cedrorum |
| Cedro montana | Cedrela montana |
| Cedro rojo - Spanish ceder | Cedrela odorata |
| Central American Pygmy-Owl | Glaucidium griseiceps |
| Ceroxylon quindiuense | Ceroxylon quindiuense |
RingBase adheres to EURING codes.
