- Calandra Lark
- Carrion Crow
- Cetti's Warbler
- Chestnut Teal
- Cinereous Vulture
- Cirl Bunting
- Coal Tit
- Coconut Lorikeet
- Collared Pratincole
- Common Blackbird
- Common Buzzard
- Common Chiffchaff
- Common Crane
- Common Eider
- Common Greenshank
- Common Kestrel
- Common Kingfisher
- Common Linnet
- Common Loon
- Common Moorhen
- Common Murre
- Common Myna
- Common Pheasant
- Common Pochard
- Common Quail
- Common Redshank
- Common Redstart
- Common Reed Bunting
- Common Ringed Plover
- Common Sandpiper
- Common Shelduck
- Common Snipe
- Common Starling
- Common Tern
- Common Whitethroat
- Common Wood Pigeon
- Corn Bunting
- Cory's Shearwater
- Crested Pigeon
- Crimson Rosella
- Curlew Sandpiper