Cabot's tern 
California gull 
Caspian gull 
Caspian Tern 
Cassin's auklet 
Chestnut-banded Plover 
Chilean skua 
Collared plover 
Collared pratincole 
Comb-crested jacana 
Common Greenshank 
Common Murre 
Common Redshank 
Common Ringed Plover 
Common sandpiper 
Common snipe 
Common tern 
Crab-plover 
Cream-coloured Courser 
Crowned Lapwing 
Curlew sandpiper 
Damara tern 
Diademed sandpiper-plover 
Double-banded courser