Bucerotiformes is an

order Order, ORDER or Orders may refer to: * Categorization, the process in which ideas and objects are recognized, differentiated, and understood * Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of d ...

of birds that contains the

hornbill Hornbills (Bucerotidae) are a family (biology), family of bird found in tropical and subtropical Africa, Asia and Melanesia. They are characterized by a long, down-curved bill which is frequently brightly coloured and sometimes has a Casque (an ...

ground hornbill The ground hornbills (Bucorvidae) are a family of the order Bucerotiformes, with a single genus ''Bucorvus'' and two extant species. The family is endemic to sub-Saharan Africa: the Abyssinian ground hornbill occurs in a belt from Senegal east to ...

hoopoe Hoopoes () are colourful birds found across Africa, Asia, and Europe, notable for their distinctive "crown" of feathers. Three living and one extinct species are recognized, though for many years all of the extant species were lumped as a single ...

s and

wood hoopoe The wood hoopoes or scimitarbills are a small African family, Phoeniculidae, of near passerine birds. They live south of the Sahara Desert and are not migratory. While the family is now restricted to Sub-Saharan Africa, fossil evidence shows tha ...

s. These birds were previously classified as members of

Coraciiformes The Coraciiformes are a group of usually colourful birds including the kingfishers, the bee-eaters, the rollers, the motmots, and the todies. They generally have syndactyly, with three forward-pointing toes (and toes 3 & 4 fused at their base) ...

. The

clade A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...

is distributed in

Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...

Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area ...

Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...

and

Melanesia Melanesia (, ) is a subregion of Oceania in the southwestern Pacific Ocean. It extends from Indonesia's New Guinea in the west to Fiji in the east, and includes the Arafura Sea. The region includes the four independent countries of Fiji, Va ...

Systematics

Recent genetic data show that ground hornbills and ''

Bycanistes ''Bycanistes'' is a genus of medium to large, primarily frugivorous hornbills (family Bucerotidae) found in the forests and woodlands of Sub-Saharan Africa. They have often been included in the genus ''Ceratogymna'', but today most authorities co ...

'' form a clade outside the rest of the hornbill lineage. They are thought to represent an early African lineage, while the rest of Bucerotiformes evolved in Asia. The hoopoe subspecies

Saint Helena hoopoe The Saint Helena hoopoe (''Upupa antaios''), also known as the Saint Helena giant hoopoe or giant hoopoe, is an extinct species of the hoopoe (family Upupidae), known exclusively from an incomplete subfossil skeleton. It was last seen around 1550 ...

and the Madagascar subspecies are sometimes elevated to a full species. The two wood hoopoe genera, ''

Phoeniculus ''Phoeniculus'' is a genus of bird in the family Phoeniculidae. They are restricted to sub-Saharan Africa. The genus contains the following species: Members of this genus have long, slightly down-curved, pointed bills with stout bases. Most ...

'' and '' Rhinopomastus'', appear to have diverged about 10 million years ago, so some systematists treat them as separate

subfamilies In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...

or even separate

families Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Ideall ...

. Extinct

Messelirrisoridae The extinct ''Messelirrisor'' is a genus of Bucerotiformes, the sole representative of the family Messelirrisoridae. They were tiny hoopoe-like birds that were the earliest representatives of the hoopoe/ wood-hoopoe lineage, and they were among t ...

and Laurillardiidae families were both considered to be stem groups of a previously categorized

Upupiformes Bucerotiformes is an order of birds that contains the hornbills, ground hornbills, hoopoes and wood hoopoes. These birds were previously classified as members of Coraciiformes. The clade is distributed in Africa, Asia, Europe and Melanesia. ...

order prior to it being subcategorized into Bucerotiformes.Mayr, Gerald (2009). "Paleogene Fossil Birds". In Springer Science & Business Media, 21 April 2009, p. 194.

Taxonomy

Order Bucerotiformes *Family ''

'' **Genus ''

Messelirrisor The extinct ''Messelirrisor'' is a genus of Bucerotiformes, the sole representative of the family Messelirrisoridae. They were tiny hoopoe-like birds that were the earliest representatives of the hoopoe/ wood-hoopoe lineage, and they were among t ...

'' *** ''Messelirrisor halcyrostris'' *** ''Messelirrisor grandis'' *** ''Messelirrisor parvus'' *Family '' Laurillardiidae'' **Genus '' Laurillardia'' *** ''Laurillardia longirostris'' *** ''Laurillardia munieri'' *** ''Laurillardia smoleni'' *Suborder Upupi **Family

Phoeniculidae The wood hoopoes or scimitarbills are a small African family, Phoeniculidae, of near passerine birds. They live south of the Sahara Desert and are not migratory. While the family is now restricted to Sub-Saharan Africa, fossil evidence shows th ...

***Genus ''

'' ****

Green wood hoopoe The green wood hoopoe (''Phoeniculus purpureus'') is a large, up to long, near-passerine tropical bird native to Africa. It is a member of the family Phoeniculidae, the wood hoopoes, and was formerly known as the red-billed wood hoopoe. Descri ...

, ''Phoeniculus purpureus'' ****

Violet wood hoopoe The violet wood hoopoe (''Phoeniculus damarensis'') is a species of bird in the family Phoeniculidae. It is found in Angola, Kenya, Namibia, and Tanzania. It looks similar to the black-billed wood hoopoe The black-billed wood hoopoe (''Phoen ...

, ''Phoeniculus damarensis'' ****

Black-billed wood hoopoe The black-billed wood hoopoe (''Phoeniculus somaliensis'') is a species of bird in the family Phoeniculidae. It is native to eastern Africa where it is found in wooded and scrubby areas. Description The black-billed wood hoopoe is very similar ...

, ''Phoeniculus somaliensis'' ****

White-headed wood hoopoe The white-headed wood hoopoe (''Phoeniculus bollei'') is a species of bird in the family Phoeniculidae. Etymology The bird's scientific species name ''bollei'' honors Carl August Bolle (1821-1909), a German naturalist and collector. Subspecie ...

, ''Phoeniculus bollei'' ****

Forest wood hoopoe The forest wood hoopoe (''Phoeniculus castaneiceps'') is a species of bird in the family Phoeniculidae. It is found in Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Ivory Coast, Ghana, Guinea, Liber ...

, ''Phoeniculus castaneiceps'' ***Genus '' Rhinopomastus'' **** Black scimitarbill, ''Rhinopomastus aterrimus'' ****

Common scimitarbill The common scimitarbill (''Rhinopomastus cyanomelas'') is a species of bird in the family Phoeniculidae. It is found in Angola, Botswana, Burundi, Democratic Republic of the Congo, Eswatini, Kenya, Malawi, Mozambique, Namibia, Rwanda, Somalia, So ...

, ''Rhinopomastus cyanomelas'' **** Abyssinian scimitarbill, ''Rhinopomastus minor'' **Family

Upupidae Hoopoes () are colourful birds found across Africa, Asia, and Europe, notable for their distinctive "crown" of feathers. Three living and one extinct species are recognized, though for many years all of the extant species were lumped as a single ...

***Genus ''

Upupa Hoopoes () are colourful birds found across Africa, Asia, and Europe, notable for their distinctive "crown" of feathers. Three living and one extinct species are recognized, though for many years all of the extant species were lumped as a single ...

'' ****

Eurasian hoopoe The Eurasian hoopoe (''Upupa epops'') is the most widespread species of the genus ''Upupa''. It is a distinctive cinnamon coloured bird with black and white wings, a tall erectile crest, a broad white band across a black tail, and a long narrow ...

, ''Upupa epops'' ****

African hoopoe The African hoopoe (''Upupa africana'') is a species of hoopoe in the family Upupidae. Previously considered as a subspecies (''Upupa epops africana'') of the Eurasian hoopoe, it is a resident species of southern Africa. Taxonomy The African ...

, ''Upupa africana'' **** Madagascar hoopoe, ''Upupa marginata'' *Suborder Buceroti **Family Bucorvidae ***Genus '' Bucorvus'' ****

Abyssinian ground hornbill The Abyssinian ground hornbill or northern ground hornbill (''Bucorvus abyssinicus'') is an African bird, found north of the equator, and is one of two species of ground hornbill. It is the second largest species of African hornbill, only surpass ...

, ''Bucorvus abyssinicus'' ****

Southern ground hornbill The southern ground hornbill (''Bucorvus leadbeateri''; formerly known as ''Bucorvus cafer'') is one of two species of ground hornbill, both of which are found solely within Africa, and is the largest species in the hornbill order worldwide. It ...

, ''Bucorvus leadbeateri'' **Family

Bucerotidae Hornbills (Bucerotidae) are a family of bird found in tropical and subtropical Africa, Asia and Melanesia. They are characterized by a long, down-curved bill which is frequently brightly coloured and sometimes has a casque on the upper mandible ...

***Genus ''

'' ****

Trumpeter hornbill The trumpeter hornbill (''Bycanistes bucinator'') is a medium-sized hornbill, with length between , characterized by a large grey casque on the bill, smaller in females. The eyes are brown or red, with pink surrounding skin. Body mass is between ...

, ''Bycanistes bucinator'' ****

Piping hornbill The piping hornbill (''Bycanistes fistulator'') is a bird in the hornbill family. This black-and-white species is found in humid forest and second growth in Central and West Africa, ranging from Senegal east to Uganda and south to Angola. At a ...

, ''Bycanistes fistulator'' ****

Silvery-cheeked hornbill The silvery-cheeked hornbill (''Bycanistes brevis'') is a large species of hornbill found in Africa. Silvery-cheeked hornbills are residents of the tall evergreen forests of East Africa from Ethiopia to South Africa. In Zimbabwe it is threatened ...

, ''Bycanistes brevis'' ****

Black-and-white-casqued hornbill The black-and-white-casqued hornbill (''Bycanistes subcylindricus'') also known as the grey-cheeked hornbill, is a large black and white hornbill. It has an oversized blackish bill with a large casque on top. The female is slightly smaller than t ...

, ''Bycanistes subcylindricus'' ****

Brown-cheeked hornbill The brown-cheeked hornbill (''Bycanistes cylindricus'') is a species of hornbill in the family Bucerotidae. It is found in Ivory Coast, Ghana, Guinea, Liberia, Sierra Leone, and Togo. Its natural habitats are tropical and subtropical moist broadl ...

, ''Bycanistes cylindricus'' ****

White-thighed hornbill The white-thighed hornbill (''Bycanistes albotibialis'') is a species of hornbill. It is found in Angola, Benin, Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Equatorial Guinea, Gabon, Nigeria, Sudan ...

, ''Bycanistes albotibialis'' ***Genus '' Tropicranus'' (sometimes included in ''Tockus'') ****

White-crested hornbill The white-crested hornbill (''Horizocerus albocristatus''), also known as the long-tailed hornbill, is a species of hornbill (family Bucerotidae) found in humid forests of Central and West Africa. Taxonomy There are three subspecies, which diff ...

, ''Tropicranus albocristatus'' ***Genus ''

Tockus ''Tockus'' is a genus of birds in the hornbill family, Bucerotidae, which are native to Africa. Description Hornbills in the genus ''Tockus'' are medium-sized African birds with triangular shaped curved bills. They can be found in tropical an ...

'' ****

Black dwarf hornbill The black dwarf hornbill (''Horizocerus hartlaubi'') or western little hornbill, is a species of hornbill in the family Bucerotidae. It is widely spread across the African tropical rainforest. Description It is black with a curved beak and a w ...

, ''Tockus hartlaubi'' ****

Red-billed dwarf hornbill The red-billed dwarf hornbill (''Lophoceros camurus'') is a species of hornbill in the family Bucerotidae Hornbills (Bucerotidae) are a family of bird found in tropical and subtropical Africa, Asia and Melanesia. They are characterized by a ...

, ''Tockus camurus'' ****

Monteiro's hornbill The Monteiro's hornbill (''Tockus monteiri'') is a species of hornbill that is native to the dry woodlands of southwestern Africa. It is a common, near-endemic species in Namibia, with a total population estimated at 340,000 individuals. Descrip ...

, ''Tockus monteiri'' ****

Red-billed hornbill The red-billed hornbills are a group of hornbills found in the savannas and woodlands of sub-Saharan Africa. They are now usually split into five species, the northern red-billed hornbill (''Tockus erythrorhynchus''), western red-billed hornbill ...

group *****

Northern red-billed hornbill The northern red-billed hornbill (''Tockus erythrorhynchus'') is a species of hornbill in the family Bucerotidae. It is found from southern Mauritania through Somalia and northeast Tanzania. There are five species of red-billed hornbills recogn ...

, ''Tockus erythrorhynchus'' *****

Damara red-billed hornbill The Damara red-billed hornbill (''Tockus damarensis'') is a species of hornbill in the family Bucerotidae. It is found in southwest Angola and northern Namibia. All five red-billed hornbills were formerly considered conspecific. Description l ...

, ''Tockus damarensis'' *****

Southern red-billed hornbill The southern red-billed hornbill (''Tockus rufirostris'') is a species of hornbill in the family Bucerotidae, which is native to the savannas and dryer bushlands of southern Africa. It is replaced by a near-relative, the Damara red-billed hornbil ...

, ''Tockus rufirostris'' *****

Tanzanian red-billed hornbill The Tanzanian red-billed hornbill (''Tockus ruahae'') is a species of hornbill in the family Bucerotidae. It is found in central Tanzania. All five red-billed hornbills were formerly considered conspecific. Description Tanzanian red-billed horn ...

, ''Tockus ruahae'' *****

Western red-billed hornbill The western red-billed hornbill (''Tockus kempi'') is a species of hornbill in the family Bucerotidae. It is found from Senegal and Gambia to southern Mauritania and western Mali. There are five species of red-billed hornbills generally recognize ...

, ''Tockus kempi'' **** Eastern yellow-billed hornbill, ''Tockus flavirostris'' ****

Southern yellow-billed hornbill The southern yellow-billed hornbill (''Tockus leucomelas'') is a hornbill found in southern Africa. Yellow-billed hornbills feed mainly on the ground, where they forage for seeds, small insects, spiders and scorpions. This hornbill species is a ...

, ''Tockus leucomelas'' **** Jackson's hornbill, ''Tockus jacksoni'' ****

Von der Decken's hornbill Von der Decken's hornbill (''Tockus deckeni'') is a hornbill found in East Africa, especially to the east of the East African Rift, from Ethiopia south to Tanzania. It is found mainly in thorn scrub and similar arid habitats. Jackson's hornbill i ...

, ''Tockus deckeni'' ****

Crowned hornbill The crowned hornbill (''Lophoceros alboterminatus'') is an African hornbill. Description It is a medium-sized bird, in length, and is characterized by its white belly and black back and wings. The tips of the long tail feathers are white. Th ...

, ''Tockus alboterminatus'' ****

Bradfield's hornbill Bradfield's hornbill (''Lophoceros bradfieldi'') is an African hornbill. It is a medium-sized bird, in length, characterized by black back and wings and a white belly. The tip feathers of the long tail are white. Females are smaller than males ...

, ''Tockus bradfieldi'' ****

African pied hornbill The African pied hornbill (''Lophoceros fasciatus'') is a bird of the hornbill family, a family of tropical near-passerine birds found in the Old World. The African pied hornbill is a common resident breeder in much of equatorial Africa, from ...

, ''Tockus fasciatus'' ****

Hemprich's hornbill Hemprich's hornbill (''Lophoceros hemprichii'') is a species of hornbill in the family Bucerotidae. It is found in Djibouti, Eritrea, Ethiopia, Kenya, Somalia, South Sudan, and Uganda. Habitat As observed in the Degua Tembien district of north ...

, ''Tockus hemprichii'' ****

Pale-billed hornbill The pale-billed hornbill (''Lophoceros pallidirostris'') is a species of hornbill in the family Bucerotidae. It is found in Angola, DRC, Kenya, Malawi, Mozambique, Tanzania, and Zambia Zambia (), officially the Republic of Zambia, is a ...

, ''Tockus pallidirostris'' ****

African grey hornbill The African grey hornbill (''Lophoceros nasutus'') is a member of the hornbill family of mainly tropical near-passerine birds found in the Old World. It is a widespread resident breeder in much of sub-Saharan Africa and the southwest of the ...

, ''Tockus nasutus'' ***Genus ''

Ocyceros ''Ocyceros'' is a genus of birds in the family Bucerotidae. Established by Allan Octavian Hume in 1873, it contains several species that are limited to the Indian subcontinent. Description Hornbills in the genus ''Ocyceros'' are small Asian bird ...

'' ****

Malabar grey hornbill The Malabar gray hornbill (''Ocyceros griseus'') is a hornbill endemic to the Western Ghats and associated hills of southern India. They have a large beak but lack the casque that is prominent in some other hornbill species. They are found main ...

, ''Ocyceros griseus'' ****

Sri Lanka grey hornbill The Sri Lanka grey hornbill (''Ocyceros gingalensis'') is a bird in the hornbill family and a widespread and common endemic resident breeder in Sri Lanka. Hornbills are a family of tropical near-passerine birds found in the Old World. Habitat ...

, ''Ocyceros gingalensis'' ****

Indian grey hornbill The Indian gray hornbill (''Ocyceros birostris'') is a common hornbill found on the Indian subcontinent. It is mostly arboreal and is commonly sighted in pairs. It has grey feathers all over the body with a light grey or dull white belly. The h ...

, ''Ocyceros biostris'' ***Genus ''

Anthracoceros ''Anthracoceros'' is a genus of birds in the family Bucerotidae. The genus was introduced by the German naturalist Ludwig Reichenbach in 1849. The type species was subsequently designated as the Malabar pied hornbill (''Anthracoceros coronatus'' ...

'' ****

Malabar pied hornbill The Malabar pied hornbill (''Anthracoceros coronatus''), also known as lesser pied hornbill, is a bird in the Hornbill, hornbill family, a family of tropical near-passerine birds found in the Old World. Taxonomy The Malabar pied hornbill was des ...

, ''Anthracoceros coronatus'' ****

Oriental pied hornbill The oriental pied hornbill (''Anthracoceros albirostris'') is an Indo-Malayan pied hornbill, a large canopy-dwelling bird belonging to the family Bucerotidae. Two other common names for this species are Sunda pied hornbill (''convexus'') and Mala ...

, ''Anthracoceros albirostris'' ****

Black hornbill The black hornbill (''Anthracoceros malayanus'') is a species of bird of the hornbill family Bucerotidae. It lives in Asia in Brunei Darussalam, Indonesia, Malaysia, Singapore, Thailand. The Black-casqued Hornbill has a selectiveness towards th ...

, ''Anthracoceros malayanus'' ****

Palawan hornbill The Palawan hornbill (''Anthracoceros marchei'') is a large forest bird endemic to the Philippines. It is one of the 11 endemic hornbills in the country. It is only found in Palawan and nearby islands of Balabac, Busuanga, Calauit, Culion and Co ...

, ''Antracoceros marchei'' ****

Sulu hornbill The Sulu hornbill (''Anthracoceros montani''), or Montano's hornbill, is a species of hornbill in the family Bucerotidae. It is endemic to the Sulu archipelago in the Philippines, with the remaining populations in Tawi-Tawi with it believed to ...

, ''Anthracoceros montani'' ***Genus ''

Buceros ''Buceros'' is a genus of large Asian hornbills (family Bucerotidae). Description Hornbills in the genus ''Buceros'' include some of the largest arboreal hornbills in the world, with the largest being the great hornbill. All the hornbills in th ...

'' ****

Rhinoceros hornbill The rhinoceros hornbill (''Buceros rhinoceros'') is a large species of forest hornbill (Bucerotidae). In captivity it can live for up to 35 years. It is found in lowland and montane, tropical and subtropical climates and in mountain rain forests ...

, ''Buceros rhinoceros'' ****

Great hornbill The great hornbill (''Buceros bicornis''), also known as the concave-casqued hornbill, great Indian hornbill or great pied hornbill, is one of the larger members of the hornbill family. It occurs in the Indian subcontinent and Southeast Asia. It ...

, ''Buceros bicornis'' ****

Rufous hornbill The rufous hornbill (''Buceros hydrocorax''), also known as the Philippine hornbill and locally as kalaw (pronounced KAH-lau), is a large species of hornbill endemic to the Philippines (the largest hornbill in the country). The are referred by lo ...

, ''Buceros hydrocorax'' ***Genus ''

Rhinoplax The helmeted hornbill (''Rhinoplax vigil'') is a very large bird in the hornbill family. It is found on the Malay Peninsula, Sumatra, Borneo, Thailand and Myanmar. The casque (helmetlike structure on the head) accounts for some 11% of its 3 ...

'' (sometimes included in ''Buceros'') ****

Helmeted hornbill The helmeted hornbill (''Rhinoplax vigil'') is a very large bird in the hornbill family. It is found on the Malay Peninsula, Sumatra, Borneo, Thailand and Myanmar. The casque (helmetlike structure on the head) accounts for some 11% of its 3 ...

, ''Rhinoplax vigil'' ***Genus ''

Anorrhinus ''Anorrhinus'' is a genus of hornbills (family Bucerotidae) found in forests of Southeast Asia (just barely extending into adjacent parts of India and China). They are social and typically seen in groups, but only the dominant pair are believed t ...

'' ****

Austen's brown hornbill Austen's brown hornbill (''Anorrhinus austeni'') is a species of hornbill found in forests from northeastern India and south to Vietnam and northern Thailand. It is sometimes included as a subspecies of Tickell's brown hornbill. Description I ...

, ''Anorrhinus austeni'' ****

Tickell's brown hornbill Tickell's brown hornbill (''Anorrhinus tickelli''), also known as the rusty-cheeked hornbill, is a species of hornbill found in forests in Burma and adjacent western Thailand. Austen's brown hornbill is sometimes considered as a subspecies of Tic ...

, ''Anorrhinus tickelli'' ****

Bushy-crested hornbill The bushy-crested hornbill (''Anorrhinus galeritus'') is a bird in the hornbill family. It is found in Brunei, Indonesia, Malaysia, Myanmar, and Thailand. Its natural habitat is subtropical or tropical moist lowland forests. File:Anorrhinus gal ...

, ''Anorrhinus galeritus'' ***Genus ''

Penelopides ''Penelopides'' is the genus of relatively small, primarily frugivorous hornbills restricted to forested areas of the Philippines. Their common name, tarictic hornbills, is an onomatopoetic reference to the main call of several of them. They ha ...

'' ****

Luzon hornbill The Luzon hornbill (''Penelopides manillae''), sometimes called Luzon tarictic hornbill, is a species of hornbill in the family Bucerotidae. It is endemic to forests on Luzon and nearby islands in the northern Philippines. As is the case with al ...

, ''Penelopides manillae'' ****

Mindoro hornbill The Mindoro hornbill (''Penelopides mindorensis'') is a species of hornbill in the family Bucerotidae. It is endemic to forests on Mindoro in the Philippines found in tropical moist lowland forests. As is the case with all Philippine tarictic hor ...

, ''Penelopides mindorensis'' ****

Visayan hornbill The Visayan hornbill (''Penelopides panini'') is a hornbill found in rainforests on the islands of Panay Island, Panay, Negros Island, Negros, Masbate, and Guimaras Island, Guimaras, and formerly Ticao Island, Ticao, in the Philippines. It former ...

, ''Penelopides panini'' ****

Samar hornbill The Samar hornbill (''Penelopides samarensis'') is a species of hornbill in the family Bucerotidae. It is found in forests on the islands of Samar, Calicoan, Leyte and Bohol in the east-central Philippines. As is the case with all Philippine t ...

, ''Penelopides samarensis'' ****

Mindanao hornbill The Mindanao hornbill (''Penelopides affinis''), sometimes called the Mindanao tarictic hornbill, is a medium-small species of hornbill found in the canopy of rainforests on Mindanao, Dinagat, Siargao and Basilan in the southern Philippines. A ...

, ''Penelopides affinis'' **** Sulawesi hornbill, ''Penelopides exarhatus'' ***Genus '' Berenicornis'' (sometimes included in ''Aceros'') ****

White-crowned hornbill The white-crowned hornbill (''Berenicornis comatus''), also known as the long-crested hornbill or white-crested hornbill (leading to easy confusion with the African white-crested hornbill), is a species of hornbill. Taxonomy It is monotypic wi ...

, ''Berenicornis comatus'' ***Genus ''

Aceros The rufous-necked hornbill (''Aceros nipalensis'') is a species of hornbill in Bhutan, northeastern India, especially in Arunachal Pradesh, Indian Subcontinent and Southeast Asia. It is locally extinct in Nepal due to hunting and significant loss ...

'' ****

Rufous-necked hornbill The rufous-necked hornbill (''Aceros nipalensis'') is a species of hornbill in Bhutan, northeastern India, especially in Arunachal Pradesh, Indian Subcontinent and Southeast Asia. It is locally extinct in Nepal due to hunting and significant loss ...

, ''Aceros nipalensis'' ****

Wrinkled hornbill The wrinkled hornbill or Sunda wrinkled hornbill (''Rhabdotorrhinus corrugatus'') is a medium-large hornbill which is found in forest in the Thai-Malay Peninsula, Sumatra and Borneo. The wrinkled hornbill is around 70 cm long, and has a ve ...

, ''Aceros corrugatus'' ****

Writhed hornbill The writhed hornbill (''Rhabdotorrhinus leucocephalus''), also known as the Mindanao wrinkled hornbill, is a species of hornbill in the family Bucerotidae. It is endemic to humid forests on the Philippine islands of Mindanao, Dinagat and Camig ...

, ''Aceros leucocephalus'' **** Rufous-headed hornbill, ''Aceros waldeni'' ****

Knobbed hornbill The knobbed hornbill (''Rhyticeros cassidix''), also known as Sulawesi wrinkled hornbill, is a colourful hornbill native to Indonesia. The species is sometimes placed in the genus ''Aceros''. The knobbed hornbill is the faunal symbol of South Su ...

, ''Aceros cassidix'' ***Genus ''

Rhyticeros ''Rhyticeros'' is a genus of medium to large hornbills (family Bucerotidae) found in forests from Southeast Asia to the Solomons. They are sometimes included in the genus ''Aceros''. On the other hand, most species generally placed in ''Aceros'' ...

'' (sometimes included in ''Aceros'') ****

Wreathed hornbill The wreathed hornbill (''Rhyticeros undulatus'') is an Old World tropical bird of the hornbill family Bucerotidae, also called bar-pouched wreathed hornbill due to its distinctive blue-black band on its lower throat sac. It is named after its cha ...

, ''Rhyticeros undulatus'' ****

Narcondam hornbill The Narcondam hornbill (''Rhyticeros narcondami'') is a species of hornbill in the family Bucerotidae. It is endemic to the Indian island of Narcondam in the Andamans. Males and females have a distinct plumage. The Narcondam hornbill has the sma ...

, ''Rhyticeros narcondami'' ****

Sumba hornbill The Sumba hornbill (''Rhyticeros everetti'') is a large bird in the Bucerotidae, or hornbill family (biology), family. The scientific name commemorates British colonial administrator and zoological collector Alfred Hart Everett. Description It ...

, ''Rhyticeros everetti'' ****

Plain-pouched hornbill The plain-pouched hornbill (''Rhyticeros subruficollis'') is a species of hornbill in the family Bucerotidae. It is found in forests of the Dawna Range and the Tenasserim Hills of southern Myanmar, adjacent parts of western Thailand and northern ...

, ''Rhyticeros subruficollis'' ****

Papuan hornbill Blyth's hornbill (''Rhyticeros plicatus''), also known as the Papuan hornbill, is a large hornbill inhabiting the forest canopy in Wallacea and Melanesia. Its local name in Tok Pisin is ''kokomo''. Previously, this hornbill was placed in the gen ...

, ''Rhyticeros plicatus'' *** Genus ''

Ceratogymna ''Ceratogymna'' is a genus of large, primarily frugivorous hornbills (family Bucerotidae) found in the humid forests of Central and West Africa. They are sexually dimorphic: males are all black, while females have brown heads and a smaller casqu ...

'' ****

Black-casqued hornbill The black-casqued hornbill (''Ceratogymna atrata'') or black-casqued wattled hornbill, is a species of hornbill in the family Bucerotidae. It is widely spread across the African tropical rainforest. Male and female black-casqued hornbill d ...

, ''Ceratogymna atrata'' ****

Yellow-casqued hornbill The yellow-casqued hornbill (''Ceratogymna elata''), also known as the yellow-casqued wattled hornbill, is found in the rainforest of coastal regions of West Africa, for example in Côte d'Ivoire. The yellow-casqued hornbill is one of the larges ...

, ''Ceratogymna elate''

Systematics

Taxonomy

References

Further reading