- Cape Gannet
- Citril Finch
- Coal Tit
- Coconut Lorikeet
- Common Blackbird
- Common Buzzard
- Common Chiffchaff
- Common Crane
- Common Eider
- Common Firecrest
- Common Goldeneye
- Common Greenshank
- Common Gull
- Common Kestrel
- Common Kingfisher
- Common Merganser
- Common Moorhen
- Common Ostrich
- Common Pheasant
- Common Pochard
- Common Redshank
- Common Redstart
- Common Reed Bunting
- Common Reed Warbler
- Common Ringed Plover
- Common Sandpiper
- Common Shelduck
- Common Snipe
- Common Starling
- Common Swift
- Common Tern
- Common Wood Pigeon
- Coqui Francolin
- Crested Tit
- Crimson-rumped Toucanet
- Crowned Eagle
- Crowned Lapwing
- Curlew Sandpiper