Taxonomia: Família Bucerotidae

Rhyticeros plicatus

Rhyticeros narcondami

Rhyticeros subruficollis

Rhyticeros undulatus

Rhyticeros everetti

Rhyticeros cassidix

Penelopides manillae

Penelopides mindorensis

Penelopides affinis

Penelopides panini

Rhabdotorrhinus waldeni

Rhabdotorrhinus leucocephalus

Rhabdotorrhinus exarhatus

Rhabdotorrhinus corrugatus

Aceros nipalensis

Anthracoceros marchei

Anthracoceros albirostris

Anthracoceros coronatus

Anthracoceros montani

Anthracoceros malayanus

Ocyceros gingalensis

Ocyceros griseus

Ocyceros birostris

Anorrhinus tickelli

Anorrhinus austeni

Anorrhinus galeritus

Buceros rhinoceros

Buceros bicornis

Buceros mindanensis

Buceros hydrocorax

Rhinoplax vigil

Bycanistes sharpii

Bycanistes fistulator

Bycanistes bucinator

Bycanistes albotibialis

Bycanistes cylindricus

Bycanistes subcylindricus

Bycanistes brevis

Ceratogymna atrata

Ceratogymna elata

Horizocerus hartlaubi

Horizocerus granti

Horizocerus cassini

Horizocerus albocristatus

Berenicornis comatus

Tockus erythrorhynchus

Tockus damarensis

Tockus monteiri

Tockus deckeni

Tockus jacksoni

Tockus leucomelas

Tockus flavirostris

Lophoceros bradfieldi

Lophoceros alboterminatus

Lophoceros camurus

Lophoceros hemprichii

Lophoceros fasciatus

Lophoceros semifasciatus

Lophoceros nasutus

Lophoceros pallidirostris

Bucorvus abyssinicus

Bucorvus leadbeateri