C. faber, [449]

Cyanopsittacus, [364], [371]

Cyanorhamphus erythrotis, [365]

Cyanospiza ciris, [563], [585];

C. cyanea, [585]

Cyanotis, [475]-[477];

C. azarae, [474]

Cybernetes, [473], [475]

Cyclopsittacinae, [362] f., [373]

Cyclopsittacus, [373]