- Cabot's Tern
- Canada Goose
- Carib Grackle
- Caribbean Coot
- Caribbean Elaenia
- Caribbean Martin
- Carrion Crow
- Cetti's Warbler
- Chestnut Munia
- Cirl Bunting
- Citril Finch
- Coal Tit
- Collared Plover
- Collared Pratincole
- Common Blackbird
- Common Buzzard
- Common Buzzard (vulpinus)
- Common Chaffinch
- Common Chiffchaff
- Common Cuckoo
- Common Firecrest
- Common Gallinule
- Common Greenshank
- Common Ground Dove
- Common House Martin
- Common Kestrel
- Common Linnet
- Common Merganser
- Common Moorhen
- Common Nightingale
- Common Pheasant
- Common Redshank
- Common Redstart
- Common Reed Bunting
- Common Ringed Plover
- Common Sandpiper
- Common Shelduck
- Common Snipe
- Common Starling
- Common Swift
- Common Tern
- Common Wood Pigeon
- Corn Bunting
- Crested Lark
- Curlew Sandpiper