- Canada Goose
- Cape Barren Goose
- Cape Parrot
- Cape Teal
- Carib Grackle
- Carrion Crow
- Cetti's Warbler
- Channel-billed Toucan
- Chestnut Teal
- Chiloe Wigeon
- Cinereous Vulture
- Coal Tit
- Coconut Lorikeet
- Common Black Hawk
- Common Blackbird
- Common Bronzewing
- Common Buzzard
- Common Chiffchaff
- Common Crane
- Common Eider
- Common Emerald Dove
- Common Grasshopper Warbler
- Common Greenshank
- Common Gull
- Common Kestrel
- Common Kingfisher
- Common Merganser
- Common Moorhen
- Common Nightingale
- Common Pheasant
- Common Pochard
- Common Redpoll
- Common Redshank (robusta)
- Common Redstart
- Common Reed Bunting
- Common Reed Warbler
- Common Ringed Plover
- Common Sandpiper
- Common Shelduck
- Common Snipe
- Common Starling
- Common Swift
- Common Tern
- Common Tody-Flycatcher
- Common Whitethroat
- Common Wood Pigeon
- Corn Bunting
- Crested Caracara (cheriway)
- Crested Lark
- Crested Partridge
- Crested Pigeon
- Crested Tit
- Crowned Lapwing