List aves families
Cacatuidae
Carnaby's black cockatoo, short-billed black cockatoo
Calcariidae
Snow bunting
Calyptomenidae
African broadbill, black-capped broadbill, Delacour's broadbill
Campephagidae
Small minivet
Capitonidae
Scarlet-hooded barbet
Caprimulgidae
Sykes's nightjar, Sykes' nightjar, Sind nightjar, Sindh nightjar
Cardinalidae
Pyrrhuloxia, desert cardinal
Casuariidae
Southern cassowary, double-wattled cassowary, Australian Cassowary
Cathartidae
California condor
Certhiidae
Short-toed treecreeper
Cettiidae
Yellow-bellied warbler
Charadriidae
tawny-throated dotterel
Chloropseidae
golden-fronted leafbird
Ciconiidae
Marabou stork
Cinclidae
White-throated Dipper
Cisticolidae
Common tailorbird
Coliidae
Blue-naped mousebird, blue-naped coly
Columbidae
Tambourine dove
Coraciidae
European roller
Corvidae
Mongolian ground jay, Henderson's ground jay
Cotingidae
White-cheeked cotinga
Cracidae
Sickle-winged guan
Cuculidae
Bay-breasted cuckoo