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Black-and-white-casqued Hornbill Bycanistes subcylindricus

IUCN Red List history

Year Category
2012 Least Concern
2009 Least Concern
2008 Least Concern
2004 Least Concern
2000 Lower Risk/Least Concern
1994 Lower Risk/Least Concern
1988 Lower Risk/Least Concern

Species attributes

Migratory status not a migrant Forest dependency High
Land mass type   Average mass -

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 845,000 medium
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals Unknown not applicable Not Applicable 0
Population trend Unknown -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 19 - - -
Population justification: The global population size has not been quantified, but the species is reported to be locally uncommon to common (del Hoyo et al. 2001).

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage
Angola Native Extant      
Benin Native Extant      
Burundi Native Extant      
Cameroon Native Extant      
Central African Republic Native Extant      
Congo Native Extant      
Congo, The Democratic Republic of the Native Extant      
Côte d'Ivoire Native Extant      
Equatorial Guinea Native Extant      
Gabon Native Extant      
Ghana Native Extant      
Guinea-Bissau Native Extant      
Kenya Native Extant      
Liberia Native Extant      
Nigeria Native Extant      
Rwanda Native Extant      
Sierra Leone Native Extant      
South Sudan Native Extant      
Sudan Native Extant      
Tanzania Native Extant      
Togo Native Extant      
Uganda Native Extant      

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Angola Cuango site factsheet
Angola Luachimo River (Chitato) site factsheet
Benin Ouémé river basin site factsheet
Burundi Bururi Forest Nature Reserve site factsheet
Burundi Kibira National Park site factsheet
Cameroon Bakossi mountains site factsheet
Cameroon Boumba - Bek site factsheet
Cameroon Campo Ma'an complex site factsheet
Cameroon Dja Faunal Reserve site factsheet
Cameroon Korup National Park site factsheet
Cameroon Lobéké National Park site factsheet
Cameroon Mbam Djerem National Park site factsheet
Central African Republic Bamingui-Bangoran National Park complex site factsheet
Central African Republic Bangui site factsheet
Central African Republic Bozoum site factsheet
Central African Republic Dzanga-Ndoki National Park site factsheet
Central African Republic Manovo - Gounda - St Floris National Park complex site factsheet
Congo Lake Te'le' Community Reserve site factsheet
Congo Nouabalé-Ndoki National Park complex site factsheet
Congo Ntokou Pikounda Reserve site factsheet
Congo Odzala National Park complex site factsheet
Congo Ogooué Leketi National Park site factsheet
Congo, The Democratic Republic of the Garamba National Park site factsheet
Congo, The Democratic Republic of the Itombwe Mountains site factsheet
Congo, The Democratic Republic of the Lendu Plateau site factsheet
Côte d'Ivoire Bossematie Forest Reserve site factsheet
Côte d'Ivoire Comoe National Park site factsheet
Côte d'Ivoire Gueoule and Glo Mountain Forest Reserves site factsheet
Côte d'Ivoire Marahoue National Park site factsheet
Côte d'Ivoire Mount Nimba Strict Nature Reserve site factsheet
Côte d'Ivoire Peko Mountain National Park site factsheet
Côte d'Ivoire Sangbe Mountain National Park site factsheet
Equatorial Guinea Monte Alen National Park site factsheet
Equatorial Guinea Nsork Highlands National Park site factsheet
Gabon Ipassa Strict Nature Reserve site factsheet
Gabon Lopé Faunal Reserve site factsheet
Gabon Minkébé Forest Reserve site factsheet
Ghana Ankasa Resource Reserve - Nini-Sushien National Park site factsheet
Ghana Bia National Park and Resource Reserve site factsheet
Ghana Boin Tano Forest Reserve site factsheet
Ghana Kakum National Park - Assin Attandaso Resource Reserve site factsheet
Ghana Nsuensa Forest Reserve site factsheet
Ghana Pra-Sushien Forest Reserve site factsheet
Guinea-Bissau Lagoas de Cufada site factsheet
Kenya Cherangani Hills site factsheet
Kenya Kakamega forest site factsheet
Kenya Mau forest complex site factsheet
Kenya Mount Elgon (Kenya) site factsheet
Kenya North Nandi forest site factsheet
Kenya South Nandi forest site factsheet
Liberia Zwedru site factsheet
Nigeria Cross River National Park: Oban Division site factsheet
Nigeria Kagoro - Nindam Forest Reserves site factsheet
Nigeria Okomu National Park site factsheet
Nigeria Omo Forest Reserve site factsheet
Rwanda Cyamudongo forest site factsheet
Rwanda Nyungwe National Park site factsheet
Sierra Leone Tingi Hills Non-hunting Forest Reserve site factsheet
South Sudan Bengangai site factsheet
Tanzania Minziro Forest Reserve site factsheet
Tanzania Rubondo Island National Park site factsheet
Uganda Budongo Forest Reserve site factsheet
Uganda Bugoma Central Forest Reserve site factsheet
Uganda Bwindi Impenetrable National Park site factsheet
Uganda Kibale National Park site factsheet
Uganda Mabira Forest Reserve site factsheet
Uganda Mount Elgon National Park site factsheet
Uganda Murchison Falls National Park site factsheet
Uganda Queen Elizabeth National Park and Lake George site factsheet
Uganda Ruwenzori (Rwenzori) Mountains National Park site factsheet
Uganda Sango Bay area site factsheet
Uganda Semliki National Park site factsheet
Uganda Semliki reserves site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Plantations suitable resident
Forest Subtropical/Tropical Dry suitable resident
Forest Subtropical/Tropical Moist Lowland major resident
Forest Subtropical/Tropical Moist Montane major resident
Savanna Dry suitable resident
Altitude 0 - 2600 m Occasional altitudinal limits  

Utilisation

Purpose Primary form used Life stage used Source Scale Level Timing
Food (human) Whole Adults and juveniles Wild Subsistence, National Non-trivial Recent
Pets Whole Adults and juveniles Wild International Non-trivial Recent

Recommended citation
BirdLife International (2014) Species factsheet: Bycanistes subcylindricus. Downloaded from http://www.birdlife.org on 17/04/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 17/04/2014.

This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.

To provide new information to update this factsheet or to correct any errors, please email BirdLife

To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.

Key facts
Current IUCN Red List category Least Concern
Family Bucerotidae (Hornbills)
Species name author (Sclater, 1870)
Population size Unknown mature individuals
Population trend Unknown
Distribution size (breeding/resident) 845,000 km2
Country endemic? No
Links to further information
- Summary information on this species
- Climate change species distributions