Order GALBULIFORMES:
Family GALBULIDAE:
Galbalcyrhynchus leucotis  WHITE-EARED JACAMAR.  Riverine forest, edge, second growth.  Lowlands to 500 m e of the Andes in e,se Colombia, e Ecuador and ne Peru.
Galbalcyrhynchus purusianus  CHESTNUT JACAMAR.  Riverine forest.  E of Andes in e,se Peru, n Bolivia and w Amazonian Brazil.
Brachygalba salmoni  DUSKY-BACKED JACAMAR.  Humid forest, edge, especially near streams.  Lowlands to 600 m of e Panama and nw Colombia.
Brachygalba goeringi  PALE-HEADED JACAMAR.  Open woodland, second growth, deciduous forest, savanna edge, thickets.  Lowlands to 1100 m e of Andes in nw,nc Venezuela and ne Colombia.

Brachygalba lugubris  BROWN JACAMAR.  Forest, second growth, thickets.  Lowlands to 1200 m e of Andes from e Colombia, s Venezuela and Guianas s to e Peru, n Bolivia and Brazil.
Brachygalba albogularis  WHITE-THROATED JACAMAR.  Riverine forest.  Lowlands e of Andes along border of e Peru, n Bolivia and w Amazonian Brazil.
Jacamaralcyon tridactyla  THREE-TOED JACAMAR.  Open woodland.  Lowlands of se Brazil.
Galbula albirostris  YELLOW-BILLED JACAMAR.  Humid forest, edge.  Lowlands to 1300 m e of Andes from e Colombia, s Venezuela and Guianas s to e Peru and Amazonian Brazil.
Galbula cyanicollis  BLUE-NECKED JACAMAR.  Humid forest, edge.  Lowlands in ne Peru and Brazil.  Sometimes treated as a subspecies of albirostris.

Galbula ruficauda  RUFOUS-TAILED JACAMAR.  Humid forest, edge, second growth, scrub, woodland, especially near water.

G. r. melanogenia.  Lowlands to 1500 m on Gulf-Caribbean slope (exc. Yucatán and Quintana Roo) from Veracruz and n Oaxaca s to Nicaragua, on both slopes of Costa Rica (exc. nw) and w Panama; e Panama, w Colombia and w Ecuador.
Often considered to be a separate species, but intergrades with ruficauda in e Panama and nw Colombia.
G. r. ruficauda.  N,e Colombia, Venezuela (exc. extreme s), Trinidad, Tobago, Guyana, French Guiana and extreme n Brazil in Roraima.
G. r. rufoviridis.  Brazil s of the Amazon to Mato Grosso and Paraná, n,e Bolivia, Paraguay and ne Argentina in Misiones.

Galbula galbula  GREEN-TAILED JACAMAR.  Humid forest, edge, second-growth woodland, usually near water.  Lowlands to 500 m e of Andes from e Colombia, s Venezuela and Guianas s to n Brazil.
Galbula pastazae  COPPERY-CHESTED JACAMAR.  Humid forest.  Foothills, 1000-2100 m in se Colombia (se Nariño) and e Ecuador.
Galbula tombacea  WHITE-CHINNED JACAMAR.  Riverine forest.  Lowlands to 1200 m e of Andes from se Colombia s through e Ecuador to e Peru and w Amazonian Brazil.
Galbula cyanescens  BLUISH-FRONTED JACAMAR.  Riverine forest.  Lowlands in e Peru, n Bolivia and w Amazonian Brazil.

Galbula chalcothorax  PURPLISH JACAMAR.  Riverine forest, second growth.  Lowlands to 1000 m e of Andes in s Colombia, e Peru, n Bolivia and sw Amazonian Brazil.  Formerly included in leucogastra.
Galbula leucogastra  BRONZY JACAMAR.  Riverine forest, second growth.  Lowlands to 1000 m e of Andes in s Venezuela, Guianas and w Amazonian Brazil.
Galbula dea  PARADISE JACAMAR.  Riverine forest, edge, savanna edge, upland woodland.  Lowlands to 1100 m e of Andes from se Colombia, s Venezuela and Guianas s through e Ecuador and e Peru to n Bolivia and Amazonian Brazil from upper R. Negro and upper R. Juruá e to Amapá and e Pará and s to Mato Grosso.
Jacamerops aureus  GREAT JACAMAR.  Riverine forest.  Lowlands to 1000 m in Costa Rica, Panama, and from nw,nc,se Colombia, s Venezuela and Guianas s, w of Andes to w Ecuador and e of Andes through e Ecuador and e Peru to n Bolivia and Amazonian Brazil.

Family BUCCONIDAE:
The genera Notharcus and Nystalus are often included in Bucco.

Notharchus macrorhynchos  WHITE-NECKED PUFFBIRD.  Open woodland, second growth, savanna.  Lowlands to 1200 m from wc Veracruz, Oaxaca, Chiapas, s Campeche and Quintana Roo s along both slopes of C. America to Panama, and from n Colombia, Venezuela and Guianas s, w of Andes to w Ecuador and e of Andes to e Peru, n,e Bolivia and Amazonian Brazil; in Paraguay, ne Argentina and se Brazil.
Notharchus pectoralis  BLACK-BREASTED PUFFBIRD.  Humid forest, edge.  Lowlands to 1000 m in c,e Panama, w,n Colombia and nw Ecuador.
Notharchus ordii  BROWN-BANDED PUFFBIRD.  Humid forest.  Lowlands to 500 m in s Venzuela, n,wc Amazonian Brazil in e Amazonas w to Tefé and upper Rio Urucu, and in wc Pará; n Bolivia (Pando).

Notharchus tectus  PIED PUFFBIRD.  Humid forest edge, woodland, savanna, usually near water.  Lowlands to 1000 m in Caribbean Costa Rica, Panama, and from w,nc,se Colombia, s Venezuela and Guianas s, w of Andes to w Ecuador and e of Andes to e Ecuador, e Peru, extreme ne Bolivia and Amazonian Brazil.
Bucco macrodactylus  CHESTNUT-CAPPED PUFFBIRD.  Humid forest edge, second growth.  Lowlands to 1000 m e of Andes from e Colombia and s Venezuela s through e Ecuador and e Peru to n Bolivia and w Amazonian Brazil.
Bucco tamatia  SPOTTED PUFFBIRD.  Humid forest, edge, often near water.  Lowlands to 1400 m e of Andes from e Colombia, s,e Venezuela and Guianas s to e Ecuador, e Peru, Amazonian Brazil and ne Bolivia in ne Santa Cruz.
Bucco noanamae  SOOTY-CAPPED PUFFBIRD.  Humid forest, scrub.  Lowlands to 100 m of nw Colombia.

Bucco capensis  COLLARED PUFFBIRD.  Humid forest.  Lowlands to 1000 m e of Andes from e Colombia, s Venezuela and Guianas s through e Ecuador to ne Peru and Amazonian Brazil.
Nystalus radiatus  BARRED PUFFBIRD.  Humid forest bordering streams, edge.  Lowlands to 900 m in c,e Panama, w,n Colombia and w Ecuador.
Nystalus chacuru  WHITE-EARED PUFFBIRD.  Open woodland, campos, cerrado.  Lowlands e of Andes from e Peru s to n Bolivia, Brazil, Paraguay and ne Argentina.
Nystalus striolatus  STRIOLATED PUFFBIRD.  Humid forest, second growth, usually near water.  Lowlands e of Andes from e Ecuador, e Peru and sw Amazonian Brazil s to n,e Bolivia.
Nystalus maculatus  SPOT-BACKED PUFFBIRD.  Forest, shrubs, campos, arid scrub.  Lowlands from Amazonian,s,se Brazil s to c,se Bolivia, Paraguay and nw Argentina.

Hypnelus ruficollis  RUSSET-THROATED PUFFBIRD.  Open forest, edge, woodland.  Lowlands to 1200 m in n Colombia and nw Venezuela; in e Colombia and n,c Venezuela.
Malacoptila fusca  WHITE-CHESTED PUFFBIRD.  Humid forest, second growth, woodland.  Lowlands to 600 m e of Andes from se Colombia, s Venezuela and Guianas s through e Ecuador to e Peru and w Amazonian Brazil.
Malacoptila semicincta  SEMICOLLARED PUFFBIRD.  Humid forest.  Lowlands e of Andes in se Peru, sw Brazil and n Bolivia.
Malacoptila striata  CRESCENT-CHESTED PUFFBIRD.  Humid forest.  Lowlands of e Brazil.
Malacoptila fulvogularis  BLACK-STREAKED PUFFBIRD.  Humid forest understory, open woodland.  Andean foothills, 500-1700 m, from n,e Colombia s, e of Andes, through e Ecuador and e Peru to wc Bolivia.

Malacoptila rufa  RUFOUS-NECKED PUFFBIRD.  Humid forest, edge.  Lowlands in Amazon basin of ne Peru and Amazonian Brazil and ne Bolivia in ne Santa Cruz.
Malacoptila panamensis  WHITE-WHISKERED PUFFBIRD.  Humid forest, edge, second growth.  Lowlands to 1200 m from se Mexico s on Caribbean slope to Nicaragua, on both slopes of Costa Rica and Panama, and from w,nc Colombia s along Pacific coast to w Ecuador.
Malacoptila mystacalis  MOUSTACHED PUFFBIRD.  Humid forest, edge, open woodland, deciduous forest.  Foothills, 400-2100 m in Colombia and w,n Venezuela.
Micromonacha lanceolata  LANCEOLATED MONKLET.  Humid forest, edge, second growth.  Locally in lowlands to 1500 m in Costa Rica, Panama, w Colombia and w Ecuador; e of Andes from se Colombia s through e Ecuador to e Peru and w Amazonian Brazil to upper R. Juruá and upper R. Urucu.

Nonnula rubecula  RUSTY-BREASTED NUNLET.  Humid forest, edge.  Locally in lowlands to 1000 m in s Venezuela, sw Surinam, ne Peru, Amazonian,se Brazil, Paraguay and ne Argentina
Nonnula sclateri  FULVOUS-CHINNED NUNLET.  Humid forest, edge, bamboo thickets.  Lowlands in se Peru, n Bolivia and sw Amazonian Brazil.
Nonnula brunnea  BROWN NUNLET.  Humid forest, dense second growth.  Lowlands along e base of e Andes from se Colombia s through e Ecuador to e Peru.
Nonnula frontalis  GREY-CHEEKED NUNLET.  Humid forest, edge, second growth.  Lowlands of c,e Panama and nw Colombia.
Nonnula ruficapilla  RUFOUS-CAPPED NUNLET.  Humid forest, edge.  Lowlands e of Andes in e Peru, n,e Bolivia and Amazonian Brazil from R. Juruá e to R. Tocantins, s to R. Guaporé and R. Paraguai.

Nonnula amaurocephala  CHESTNUT-HEADED NUNLET.  Humid forest.  Lowlands of w Amazonian Brazil.
Hapaloptila castanea  WHITE-FACED NUNBIRD.  Humid forest, edge.  Andean foothills, 750-2400 m, w of Andes in Colombia, w Ecuador and nw Peru.
Monasa atra  BLACK NUNBIRD.  Humid forest, scrub, especially near water.  Lowlands to 1000 m from s,e Venezuela and Guianas s to n Brazil.
Monasa nigrifrons  BLACK-FRONTED NUNBIRD.  Riverine woodland, humid forest edge, second growth.  Lowlands to 1000 m e of Andes from se Colombia s to e Ecuador, e Peru, n,e Bolivia and Brazil.
Monasa morphoeus  WHITE-FRONTED NUNBIRD.  Humid forest, edge, second growth, woodland.  Caribbean lowlands from e Honduras to c,e Panama and nw,nc Colombia; e of Andes from se Colombia and s Venezuela s to e Peru, n Bolivia and Amazonian,e Brazil.

Monasa flavirostris  YELLOW-BILLED NUNBIRD.  Humid forest, second growth.  Lowlands to 1400 m e of Andes from se Colombia s through e Ecuador to e Peru and w Amazonian Brazil.
Chelidoptera tenebrosa  SWALLOW-WING.  Riverine forest, woodland edge, savanna, second growth, deciduous forest, scrub.  Lowlands to 1000 m e of Andes from e Colombia, Venezuela and Guianas s to e Ecuador, e Peru, n Bolivia and Brazil.

Parvclass Coraciae
  Superorder Bucerotimorphae
    Order BUCEROTIFORMES
              Family Bucerotidae: Typical Hornbills
              Family Bucorvidae: Ground-Hornbills
    Order UPUPIFORMES
        Infraorder Upupides
              Family Upupidae: Hoopoes
        Infraorder Phoeniculides
              Family Phoeniculidae: Woodhoopoes
              Family Rhinopomastidae: Scimitar-bills

Order BUCEROTIFORMES
Family BUCEROTIDAE

Tockus albocristatus  WHITE-CRESTED HORNBILL.  Humid forest.  In Sierra Leone, s Guinea, Liberia, Ivory Coast, Ghana, Togo, Benin, Nigeria, s Cameroon, Equatorial Guinea, Gabon, Congo, Cabinda, n Angola and w,sc,ec Zaire, cs C. African Rep., n Zaire and w Uganda.

Has been placed in the monotypic genus Tropicranus, and so recommended by the East African List Committee on the basis of its long crest and distinctive habit of using its long tail as a 'broom' to flush prey (D. A. Turner, pers. comm.).  Also by Dowsett and Dowsett-Lemaire (1993).

Tockus hartlaubi  BLACK DWARF HORNBILL.  Forest.  Sierra Leone, s Guinea, Liberia, Ivory Coast, Ghana, Togo, Nigeria, s Cameroon, s C. African Rep., n Zaire and w Uganda, and s to s Congo Rep., Cabinda and w,sc,ec Zaire.
Tockus camurus  RED-BILLED DWARF HORNBILL.  Forest, edge, second growth.  Sierra Leone, s Guinea, Liberia, Ivory Coast, Ghana, Nigeria, Cameroon, s C. African Rep., extreme s Sudan, n,ne Zaire and w Uganda, and s to Equatorial Guinea, Gabon, Congo, Cabinda and w,c,ec Zaire.
Tockus monteiri  MONTEIRO'S HORNBILL.  Arid savanna.  Hills in wc,sw Angola and nw,c Namibia.
Tockus erythrorhynchus  RED-BILLED HORNBILL.  Dry savanna.  S Mauritania, Senegambia and Guinea e in a narrow belt through s Mali, Burkina Faso, n Ghana, Togo, Benin, s Niger, n Nigeria, ne Cameroon, s Chad, C. African Rep. and s Sudan to Ethiopia, Eritrea and Somalia, s through Uganda, Kenya, Tanzania, Zambia, Malawi, w,sw Mozambique and Zimbabwe to ne S. Africa, and w through n,e Botswana to w,s Angola and n,c Namibia.

Tockus flavirostris  EASTERN YELLOW-BILLED HORNBILL.  Dry savanna, arid steppe.  In ec,se Sudan, Ethiopia, Eritrea, Djibouti, Somalia, n Uganda, nc,ec Kenya and ne Tanzania.
Tockus leucomelas  SOUTHERN YELLOW-BILLED HORNBILL.  Dry savanna, arid steppe.  From sw,s Angola, s Zambia, c,s Mozambique and s Malawi s through Namibia, Botswana and Zimbabwe to n,e S. Africa.
Tockus jacksoni  JACKSON'S HORNBILL.  Dry savanna, arid steppe.  In se Sudan, ne Uganda and nw Kenya.
Tockus deckeni  VON DER DECKEN'S HORNBILL.  Dry savanna, arid steppe.  From c,s Ethiopia and n,s Somalia s through e,s Kenya to sc,ne Tanzania.

Tockus alboterminatus  CROWNED HORNBILL.  Forest edge, woodland, savanna, riverine forest.  Lowlands to 2100 m in w,c,ne Zaire, se Sudan, sw Ethiopia and s Somalia s to Rwanda, Burundi, Uganda, Kenya, Tanzania, sw,ec Angola, n Namibia, n Botswana, Zambia, Malawi, Mozambique, n,e Zimbabwe and e,s S. Africa in e Transvaal, Swaziland, Natal and s Cape Province.
Tockus bradfieldi  BRADFIELD'S HORNBILL.  Teak woodland, wooded gorges.  In s,se Angola, ne Namibia, sw Zambia, w Zimbabwe and n Botswana.
Tockus fasciatus  AFRICAN PIED HORNBILL.  Forest, woodland, second growth.  Senegambia, s Mali, Burkina Faso, Guinea-Bissau, Guinea, Sierra Leone, Liberia, Ivory Coast, Ghana, Togo, Benin, Nigeria, s Cameroon, Equatorial Guinea, Gabon, Congo, s C. African Rep., n Zaire, s Sudan and Uganda s to nw Angola and sw,sc,ec Zaire.

Tockus hemprichii  HEMPRICH'S HORNBILL.  Woodland, savanna.  Highlands to 4300 m in n Somalia, Ethiopia, Eritrea, Djibouti, se Sudan, e Uganda and nw Kenya.
Tockus nasutus  AFRICAN GREY HORNBILL.  Open woodland, savanna, arid scrub.  From s Mauritania and Senegambia e across s Mali, s Niger, s Chad and s Sudan to Ethiopia, Eritrea, Somalia and s Arabia, and s to sc Namibia, s Botswana and e S. Africa in e Natal.  Recorded in all subSaharan African countries except Djibouti, Equatorial Guinea, Gabon and Congo.
Tockus pallidirostris  PALE-BILLED HORNBILL.  Woodland, savanna.  From c,ne Angola, s,se Zaire, s,ne Tanzania s to Zambia, Malawi and n Mozambique.
Ocyceros griseus  MALABAR GREY-HORNBILL.  Open humid forest, edge.  Lowlands to 1600 m of sw India.

Ocyceros gingalensis  CEYLON GREY-HORNBILL.  Open humid forest, edge.  Lowlands to 1200 m of Ceylon.
Ocyceros birostris  INDIAN GREY-HORNBILL.  Open woodland, towns, farmlands.  Lowlands to 1400 m in ne Pakistan and India.
Anthracoceros coronatus  MALABAR PIED-HORNBILL.  Forest, edge, open woodland.  Lowlands to 300 m of s,se India.
Anthracoceros albirostris  ORIENTAL PIED-HORNBILL.  Forest, edge, scrubby woodland.

The two groups hybridize frequently and convexus is sometimes treated as a separate species.
 A. a. albirostris.  Lowlands to 1200 m from n,e India e through Burma to s China, and s through Thailand (except s) and Indochina to n Malaya.
 A. a. convexus.  MALAYSIAN PIED-HORNBILL. Malay pen., s peninsular Thailand, c,s Malaya, Sumatra (including Musala and Nias, Mentawai and Batu islands and Riau Arch.), Java and  Borneo, including Tambelan Arch. and N. Natuna Islands.
  Ben King (pers. comm.) recommends species status for convexus.

Anthracoceros malayanus  BLACK HORNBILL.  Forest.  Lowlands on Malay pen., Sumatra and Borneo.
Anthracoceros marchei  PALAWAN HORNBILL.  Forest.  Sw Philippines.
Anthracoceros montani  SULU HORNBILL.  Forest.  Sw Philippines in the Sulu Arch.

Buceros rhinoceros  RHINOCEROS HORNBILL.  Forest.  Lowlands to 1200 m in s peninsular Thailand, Malay pen., Sumatra, Borneo and Java.
Buceros bicornis  GREAT HORNBILL.  Forest.  Lowlands to 2000 m in sw,e India, and from n India and sw China s through Burma, Thailand and Indochina to Malaya and Sumatra.
Buceros hydrocorax  RUFOUS HORNBILL.  Forest.  Lowlands to 1500 m of Philippines.
Buceros vigil  HELMETED HORNBILL.  Forest.  Lowlands to 1500 m of southern peninsular Thailand n to ca. 11°N lat.; Malay pen., Sumatra and Borneo.  Often placed in Rhinoplax.

Anorrhinus tickelli  BROWN HORNBILL.  Forest.  The two subspecies may be separate species.

A. t. austeni.  Lowlands to 1800 m of ne India in n Assam, probably Manipur and Nagaland.
A. t. tickelli.  In sw China (s Yunnan), nw,sw Thailand, Laos, n,c Vietnam and s Burma in s Tenasserim.

Anorrhinus galeritus  BUSHY-CRESTED HORNBILL.  Forest.  Lowlands to 1200 m in Malay pen., Sumatra and Borneo, incl. N. Natuna Is.

Penelopides manillae  TARICTIC HORNBILL  (Also called Luzon Hornbill).  Forest.
The three subspecies are sometimes treated as separate species.  All forms of Penelopides may be conspecific; there is no clear evidence for either treatment.
The English name, Tarictic Hornbill, has also been applied to P. panini.*

P. m. manillae.  LUZON TARICTIC HORNBILL.  N Philippines on Luzon, Polillo Is., Catanduanes and Marinduque.
P. m.  samarensis.  SAMAR TARICTIC HORNBILL.  Forest.  Ec Philippines on Samar, Calicoan, Leyte and Bohol.
P. m. affinis.  MINDANAO TARICTIC HORNBILL.  Forest.  S Philippines on Dinagat, Siargao, Mindanao and Basilan.

Penelopides mindorensis  MINDORO HORNBILL.  Forest.  Wc Philippines on Mindoro.
*Penelopides panini  VISAYAN HORNBILL.  Forest.  C Philippines on Ticao, Masbate, Panay, Guimaras and Negros.
Penelopides exarhatus  SULAWESI HORNBILL.  Forest.  Lowlands to 1100 m of n,c,se,s Sulawesi and Lembeh, Muna and Butung islands.
Aceros comatus  WHITE-CROWNED HORNBILL.  Forest.  Lowlands to 1200 m in s Burma, peninsular Thailand n to ca. 15°N lat., s Vietnam, Malaya, Sumatra and Borneo.  Cooperative breeding reported in Thailand.
Aceros nipalensis  RUFOUS-NECKED HORNBILL.  Forest.  Lowlands to 1800 m from Himalayan foothills of ne India, Burma and w,nw Thailand to sw China, n Laos and n Vietnam.

Aceros corrugatus  WRINKLED HORNBILL.  Forest, swamp.  Coastal lowlands in Malay pen., Sumatra and Borneo.  No recent records in Thailand.
Aceros waldeni  RUFOUS-HEADED HORNBILL or WRITHED-BILLED HORNBILL.  Forest.  C Philippines on Panay, Guimaras and Negros.
Aceros leucocephalus  WRITHED HORNBILL.  Forest.  Se Philippines on Camiguin Sur and Mindanao.
Aceros cassidix  KNOBBED HORNBILL.  Forest, woodland.  Sulawesi and Lembeh, Muna, Butung and Togian islands.
Aceros undulatus  WREATHED HORNBILL.  Forest.  Lowlands and foothills to 2400 m in e India, Burma, Thailand, Indochina and Malaya; Sumatra, Java, Bali, Borneo.

Aceros narcondami  NARCONDAM HORNBILL.  Forest.  Lowlands and foothills to 700 m of Andaman Is. on Narcondam Island.
Aceros everetti  SUMBA HORNBILL.  Forest.  Sumba I. in the C Lesser Sunda Is.
Aceros subruficollis  PLAIN-POUCHED HORNBILL.  Forest.  Lowlands to 1000 m in Burma, sw Thailand, Sumatra and Borneo.
Aceros plicatus  BLYTH'S HORNBILL.  Forest.  Lowlands in Moluccas on Morotai, Halmahera, Kasiratu, Bacan, Obi, Kelang, Ambon and Seram; w Papuan Is.; New Guinea and Yapen I.; Fergusson and Goodenough is. in the D'Entrecasteaux Arch.; Bismarck Arch. on New Hanover, New Ireland and New Britain; Solomon Is. on Buka, Bougainville, Fauro, Shortland, Choiseul, Santa Isabel, Vangunu, Guadalcanal and Malaita.

Ceratogymna / Bycanistes.  The South African and East African List Committees retain the genus Bycanistes for the species bucinator, fistulator, brevis, subcylindricus, cylindricus and albotibialis.  (D. A. Turner, pers. comm.).  Dowsett and Dowsett-Lemaire (1993) agree.

Ceratogymna bucinator  TRUMPETER HORNBILL.  Humid forest, edge, savanna, second growth, woodland.  From nc Angola e across sc,se Zaire, Burundi and Tanzania to sc,se Kenya, and s through Zambia, Malawi, Mozambique, ne Zimbabwe, extreme ne Namibia and n Botswana to e S. Africa in e Transvaal, Swaziland, Natal and se Cape Province.
Ceratogymna fistulator  PIPING HORNBILL.  Humid forest, edge, second growth, mangroves.  From Senegambia, s Mali, Guinea-Bissau, Guinea, Sierra Leone, Liberia, Ivory Coast, Ghana, Togo, Benin, Nigeria e to s Cameroon, Equatorial Guinea, Gabon, Congo, C African Rep., n Zaire and w Uganda, and s to nw Angola and sw,sc,ec Zaire.

Ceratogymna brevis  SILVERY-CHEEKED HORNBILL.  Forest, dense woodland.  Lowlands and Highlands to 2100 m from Sudan, w,c Ethiopia s through w,c,se Kenya, e,sc Tanzania, e Zambia, Malawi and Mozambique to se Zimbabwe and extreme ne South Africa.
Ceratogymna subcylindricus  BLACK-AND-WHITE-CASQUED HORNBILL.  Forest, edge, savanna.  In Sierra Leone, Liberia, Ivory Coast, Ghana, Togo, Benin, Nigeria, s Cameroon, Equatorial Guinea, Gabon, C. African Rep., n,e Zaire, s Sudan, Uganda, w Kenya, Rwanda, Burundi and nw Tanzania; ne Angola.
Ceratogymna cylindricus  BROWN-CHEEKED HORNBILL.  Forest.  Scattered populations in Guinea, Sierra Leone, Liberia, Ivory Coast and Ghana.  May include albotibialis, but they differ considerably.

Ceratogymna albotibialis WHITE-THIGHED HORNBILL.  Forest.  From s Benin, s Nigeria,
s Cameroon, Equatorial Guinea, Gabon, Congo, Cabinda, n Angola, sw C. African Rep., n Zaire, w Uganda and w,sc,ec Zaire.  Included in cylindricus by Fry, et al. (1988. Birds of Africa, vol. 3) who note that albotibialis "Might be considered a separate species."  Dowsett and Dowsett-Lemaire (1993) also include albotibialis in cylindricus.
Ceratogymna atrata  BLACK-CASQUED HORNBILL.  Humid forest.  Lowlands to 1250 m in Sierra Leone, Liberia, Ivory Coast, Ghana, s Nigeria, s Cameroon, Gulf of Guinea Is., Equatorial Guinea, Gabon, Congo, s C. African Rep., n,ne Zaire, extreme s Sudan and w Uganda s to nw Angola and s,ec Zaire.

Ceratogymna elata  YELLOW-CASQUED HORNBILL.  Humid forest, second growth, woodland.  In Senegambia, s Mali, Guinea-Bissau, Guinea, Sierra Leone, Liberia, Ivory Coast, Ghana, Togo, Nigeria and s Cameroon.

Family BUCORVIDAE:  Ground-Hornbills.

Bucorvus abyssinicus  ABYSSINIAN GROUND-HORNBILL.  Woodland, savanna, arid steppe.  In s Mauritania, s Mali, Burkina Faso, Senegambia, Guinea-Bissau, Guinea, Sierra Leone, Ivory Coast, Ghana, Togo, Benin, s Niger, Nigeria, n Cameroon, s Chad, C. African Rep., sw,s Sudan and ne Zaire to Ethiopia, Eritrea, s Somalia, n Uganda and nw Kenya.
Bucorvus cafer  SOUTHERN GROUND-HORNBILL. (previously = B. leadbeateri)  Woodland, savanna, grassland, arid steppe.  Up to 3000 m.  From Rwanda, Burundi, se,sw Zaire, Angola and s Kenya, s to n Namibia, n Botswana, and through Tanzania, Zambia, Malawi and s Mozambique to e S. Africa.  Accidental in Zanzibar.  The name cafer has been shown to be correctly applied to this species.

Sibley's Sequence - 8