B. maculatus, [447];

B. striatipectus, [447]

Bucconinae, [445], [446] f.

Buceros, [390];

B. rhinoceros, [395]

Bucerotidae, [376], [390] f.;

habits, [390]

Bucerotinae, [390]

Buchanga leucogenys, [528];

B. atra, mimicry, [529];