- Cape Crow
- Cape Teal
- Carib Grackle
- Caspian Tern
- Cedar Waxwing
- Chestnut-bellied Malkoha
- Chestnut Sparrow
- Clay-colored Thrush
- Collared Aracari
- Collared Plover
- Common Black Hawk
- Common Bulbul
- Common Eider
- Common Gallinule
- Common Grackle
- Common Ground Dove
- Common Gull
- Common Moorhen
- Common Myna
- Common Ostrich
- Common Redstart
- Common Sandpiper
- Common Starling
- Common Tailorbird
- Common Tern
- Common Waxbill
- Crested Drongo
- Crested Lark