Corvus albus x edithae 
couch's kingbird 
Crag chilia 
Cream-throated white-eye 
Cream-vented bulbul 
Cream-winged cinclodes 
Creamy-bellied antwren 
Creamy-bellied Thrush 
Creamy-crested spinetail 
Crescent honeyeater 
Crescent-faced antpitta 
Crested ant tanager 
Crested becard 
Crested Bunting 
Crested drongo 
Crested finchbill 
Crested Lark 
Crested myna 
Crested oropendola 
Crested satinbird 
Cretzschmar's bunting 
Crimson backed sunbird 
Crimson chat 
Crimson Finch