- Canada Goose
- Cape Barren Goose
- Cape Teal
- Carrion Crow
- Chestnut Teal
- Chiloe Wigeon
- Coal Tit
- Cockatiel
- Coconut Lorikeet
- Common Blackbird
- Common Buzzard
- Common Chaffinch
- Common Chiffchaff
- Common Crane
- Common Cuckoo
- Common Eider
- Common Goldeneye
- Common Kestrel
- Common Kingfisher
- Common Merganser
- Common Moorhen
- Common Ostrich
- Common Pheasant
- Common Pochard
- Common Redshank
- Common Reed Bunting
- Common Ringed Plover
- Common Sandpiper
- Common Shelduck
- Common Starling
- Common Tern
- Common Wood Pigeon
- Corn Bunting
- Coscoroba Swan
- Crested Lark
- Crested Pigeon
- Croaking Ground Dove