Taxonomic status:

Species status: full species (sometimes a subspecies)

This taxon is considered a subspecies of Horizocerus [hartlaubi or granti] (sensu lato) by some authors

Your sightings

Related taxa

Highlight taxa in a checklist (shown in red)
none Avibase taxonomic concepts (current) (v.1) Avibase taxonomic concepts v. 2023 (May 2023) (v.?) Avibase taxonomic concepts v. 2024 (Oct 2024) (v.?) Avibase taxonomic concepts v. 2025 (Nov 2025) (v.?) Avibase taxonomic concepts v. 01 (August 2013) (v.?) Avibase taxonomic concepts v. 02 (May 2014) (v.?) Avibase taxonomic concepts v. 03 (March 2015) (v.?) Avibase taxonomic concepts v. 04 (Aug 2016) (v.?) Avibase taxonomic concepts v. 05 (Jan 2017) (v.?) Avibase taxonomic concepts v. 06 (Feb 2018) (v.?) Avibase taxonomic concepts v. 07 (Feb 2020) (v.?) Avibase taxonomic concepts v. 08 (Feb 2021) (v.?) Avilist 2025 (v.1) Birdlife checklist version 07 (Jul 2014) (v.1) Birdlife checklist version 08 (Oct 2015) (v.1) Birdlife checklist version 09 (Dec 2016) (v.1) Birdlife checklist version 09.1 (Jun 2017) (v.1) HBW and BirdLife Taxonomic Checklist v2 (Dec 2017) (v.1) HBW and BirdLife Taxonomic Checklist v3 (Nov 2018) (v.1) HBW and BirdLife Taxonomic Checklist v4 (Dec 2019) (v.1) HBW and BirdLife Taxonomic Checklist v5 (Dec 2020) (v.1) HBW and BirdLife Taxonomic Checklist v6 (Dec 2021) (v.1) HBW and BirdLife Taxonomic Checklist v6b (Jul 2022) (v.1) HBW and BirdLife Taxonomic Checklist v7 (Dec 2022) (v.1) HBW and BirdLife Taxonomic Checklist v8 (Dec 2023) (v.1) HBW and BirdLife Taxonomic Checklist v9 (Oct 2024) (v.1) HBW and BirdLife Taxonomic Checklist v10 (Oct 2025) (v.?) Clements, version 2021 (v.1) Clements, version 2022 (v.1) Clements, version 2023 (v.1) Clements, version 2024 (v.1) Clements, version 2025 (v.1) Clements 5th edition (as published) (v.1) Clements 5th edition (incl. 2000 revisions) (v.1) Clements 5th edition (incl. 2001 revisions) (v.1) Clements 5th edition (incl. 2002 revisions) (v.1) Clements 5th edition (incl. 2003 revisions) (v.1) Clements 5th edition (incl. 2004 revisions) (v.1) Clements 5th edition (incl. 2005 revisions) (v.1) Clements 6th edition (v.1) Clements 6th edition (incl. 2007 revisions) (v.1) Clements 6th edition (incl. 2008 revisions) (v.1) Clements 6th edition (incl. 2009 revisions) (v.1) Clements 6th edition (version 6.5 incl. 2010 revisions) (v.1) Clements 6th edition (version 6.6 incl. 2011 revisions) (v.1) Clements 6th edition (version 6.7 incl. 2012 revisions) (v.1) Clements 6th edition (version 6.8 incl. 2013 revisions) (v.1) Clements 6th edition (version 6.9 incl. 2014 revisions) (v.1) Clements, version 2015 (v.1) Clements, version 2016 (v.1) Clements, version 2017 (v.1) Clements, version 2018 (v.1) Clements, version 2019 (v.1) eBird version 2017 (v.1) eBird version 2018 (v.1) eBird version 2019 (v.1) eBird version 2021 (v.1) eBird version 2022 (v.1) eBird version 2023 (v.1) eBird version 2024 (v.1) eBird version 2025 (v.1) Howard and Moore 2nd edition (v.1) Howard and Moore 3rd edition (as published) (v.1) Howard and Moore 3rd edition (incl. corrigenda 1.2) (v.1) Howard and Moore 3rd edition (incl. corrigenda 2.1) (v.1) Howard and Moore 3rd edition (incl. corrigenda 3.1) (v.1) Howard and Moore 3rd edition (incl. corrigenda 4) (v.1) Howard and Moore 3rd edition (incl. corrigenda 5) (v.1) Howard and Moore 3rd edition (incl. corrigenda 6) (v.1) Howard and Moore 3rd edition (incl. corrigenda 7) (v.1) Howard and Moore 3rd edition (incl. corrigenda 8) (v.1) Howard and Moore 4th edition (vol. 1-2) (v.1) Howard and Moore 4th edition (incl. corrigenda vol.1-2) (v.1) Handbook of the Birds of the World (vol 1-16) (v.1) Handbook of the Birds of the World Alive (31/01/2015) (v.1) Handbook of the Birds of the World Alive (03/07/2017) (v.1) Handbook of the Birds of the World and Birdlife (Dec 2017) (v.1) Handbook of the Birds of the World and Birdlife (Dec 2018) (v.1) IOC World Bird Names, version 3.1 (v.1) IOC World Bird Names, version 3.2 (v.1) IOC World Bird Names, version 3.3 (v.1) IOC World Bird Names, version 3.4 (v.1) IOC World Bird Names, version 3.5 (v.1) IOC World Bird Names, version 4.1 (v.1) IOC World Bird Names, version 4.2 (v.1) IOC World Bird Names, version 4.3 (v.1) IOC World Bird Names, version 4.4 (v.1) IOC World Bird Names, version 5.1 (v.1) IOC World Bird Names, version 5.2 (v.1) IOC World Bird Names, version 5.3 (v.1) IOC World Bird Names, version 5.4 (v.1) IOC World Bird Names, version 6.1 (v.1) IOC World Bird Names, version 6.2 (v.1) IOC World Bird Names, version 6.3 (v.1) IOC World Bird Names, version 6.4 (v.1) IOC World Bird Names, version 7.1 (v.1) IOC World Bird Names, version 7.2 (v.1) IOC World Bird Names, version 7.3 (v.1) IOC World Bird Names, version 8.1 (v.1) IOC World Bird Names, version 8.2 (v.1) IOC World Bird Names, version 9.1 (v.1) IOC World Bird Names, version 9.2 (v.1) IOC World Bird Names, version 10.1 (v.1) IOC World Bird Names, version 10.2 (v.1) IOC World Bird Names, version 11.1 (v.1) IOC World Bird Names, version 11.2 (v.1) IOC World Bird Names, version 12.1 (v.1) IOC World Bird Names, version 12.2 (v.1) IOC World Bird Names, version 13.1 (v.1) IOC World Bird Names, version 13.2 (v.1) IOC World Bird Names, version 14.1 (v.1) IOC World Bird Names, version 14.2 (v.1) IOC World Bird Names, version 15.1 (v.1) Peters' Check-list of the Birds (original) (v.1) Peters' Check-list of the Birds (2nd edition) (v.1) Zoonomen - Zoological Nomenclature Resource (v.1) Zoonomen - Zoological Nomenclature Resource (v.1)

Other synonyms

See also the taxonomic synonyms table.

Afrikaans: Oostelike Swartdwergneushoringvoël
Bulgarian: Източна дребна птица носорог
Catalan: Calau nan oriental
Czech: zoborožec konžský
Danish: Congo-dværgtoko
German: Hartlaub-Hornvogel (granti), Kongotoko
English: Black Dwarf Hornbill (Congo), Black Dwarf Hornbill (Eastern), Black Dwarf Hornbill (granti), Congo Black Hornbill, Congo Dwarf Hornbill, Eastern Dwarf Hornbill, Eastern Little Hornbill
[ENAV]: Eastern Dwarf Hornbill
English, HBW: Eastern Dwarf Hornbill, Eastern Little Hornbill
English (IOC): Black Dwarf Hornbill (Eastern), Eastern Dwarf Hornbill
English (United States): Black Dwarf Hornbill (Eastern), Eastern Dwarf Hornbill
Esperanto: blankmakula bucero
Spanish: Toco Negro Occidental (granti), Toco negro oriental
Spanish (Spain): Toco negro occidental (granti), Toco negro oriental
Estonian: kongo sarvnokk
French: Calao de Grant, Calao de Hartlaub (granti)
French (Guyane): Calao de Hartlaub (granti)
Croatian: kongoanski kljunorožac
Italian: Bucero nano nero orientale
Japanese (romaji): mamijiromamesaichou (granti)
Japanese: マミジロマメサイチョウ (granti), マミジロマメサイチョウ（granti）
Scientific: Horizocerus granti, Horizocerus hartlaubi granti, Lophoceros granti, Tockus hartlaubi granti
Dutch: Congodwergtok
Norwegian: rødnesedvergtoko, svartdvergtoko (granti)
Polish: dzioborożec białobrewy (granti), dzioborożec kongijski
Portuguese: calau-anão-preto-oriental
[PTAO]: Calau-anão-preto (granti)
Portuguese (Portugal): calau-anão-preto (granti)
Russian: Чёрный токо (granti)
Slovak: toko konžský, zobákorožec konžský, zobákorožec konžský (skup.)
Serbian: Istočni crni kljunorožac
Swedish: svart dvärgnäshornsfågel (granti), vitfläckig dvärgnäshornsfågel
Turkish: Benekli Küçük Kara Boynuzgaga, Küçük kara boynuzgaga (granti)
Ukrainian: Токо чорний (підвид granti)
Chinese: 东黑弯嘴犀鸟