- Cabot's Tern (eurygnathus)
- Capped Heron
- Carib Grackle
- Caribbean Martin
- Channel-billed Toucan
- Chestnut-bellied Seedeater
- Chestnut Woodpecker
- Cinereous Tinamou
- Cinnamon-throated Woodcreeper
- Cinnamon Attila
- Cocoi Heron
- Collared Plover
- Collared Trogon
- Common Blackbird
- Common Ground Dove
- Common Moorhen
- Common Ostrich
- Common Pheasant
- Common Pochard
- Common Potoo
- Common Reed Bunting
- Common Shelduck
- Common Tern
- Common Tody-Flycatcher
- Coraya Wren
- Crane Hawk
- Cream-colored Woodpecker
- Crested Caracara (cheriway)
- Crested Francolin
- Crested Oropendola
- Crested Tit
- Crimson-crested Woodpecker
- Crimson-hooded Manakin
- Crimson Topaz
- Crowned Lapwing