List aves families
Cacatuidae
Red-tailed black cockatoo, Banksian-black cockatoo, Banks' black cockatoo
Calcariidae
Lapland longspur, Lapland bunting
Calyptomenidae
Green broadbill, lesser green broadbill
Campephagidae
grey-chinned minivet
Capitonidae
Red-headed barbet
Caprimulgidae
Ladder-tailed nightjar
Cardinalidae
Northern cardinal, redbird, common cardinal, red cardinal, cardinal
Casuariidae
Northern cassowary, single-wattled cassowary
Cathartidae
lesser yellow-headed vulture, savannah vulture
Certhiidae
Sikkim treecreeper
Cettiidae
Fiji bush warbler
Charadriidae
white-fronted plover, white-fronted sandplover
Chloropseidae
orange-bellied leafbird
Ciconiidae
Yellow-billed stork
Cinclidae
White-throated Dipper
Cisticolidae
rufous-eared warbler
Coliidae
Speckled mousebird
Columbidae
crested pigeon, topknot pigeon
Coraciidae
European roller
Corvidae
slender-billed crow
Cotingidae
Rose-collared piha
Cracidae
Trinidad piping guan, pawi
Cuculidae
Grey-bellied cuckoo, Indian plaintive cuckoo