- Cape Wagtail
- Carib Grackle
- Caribbean Elaenia
- Caribbean Martin
- Carruthers's Cisticola
- Caspian Tern
- Cassin's Flycatcher
- Cetti's Warbler
- Channel-billed Toucan
- Chimango Caracara
- Cinereous Vulture
- Cinnamon-chested Bee-eater
- Cirl Bunting
- Coconut Lorikeet
- Collared Aracari
- Collared Pratincole
- Collared Sunbird
- Common Black Hawk
- Common Blackbird
- Common Buttonquail
- Common Buzzard
- Common Chiffchaff
- Common Cuckoo
- Common Eider
- Common Firecrest
- Common Gallinule
- Common Greenshank
- Common Ground Dove
- Common Kestrel
- Common Loon
- Common Merganser
- Common Moorhen
- Common Murre
- Common Myna
- Common Nightingale
- Common Pheasant
- Common Redpoll
- Common Redshank (robusta)
- Common Reed Bunting
- Common Reed Warbler
- Common Ringed Plover
- Common Sandpiper
- Common Scimitarbill
- Common Scoter
- Common Shelduck
- Common Snipe
- Common Starling
- Common Swift
- Common Tern
- Common Waxbill
- Compact Weaver
- Copper Sunbird
- Corn Bunting
- Crested Francolin
- Crimson-backed Tanager
- Cuban Emerald