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Nelson's Toucanet

Aulacorhynchus cognatus (Nelson, EW 1912)

The blue-throated toucanet is a near-passerine bird living in the mountain forests of Costa Rica, Panama and far northwestern Colombia. While considered a species based primarily on morphology, some authorities continue to consider it a subspecies of the emerald toucanet. Source: Wikipedia

Classification
Order:
  Piciformes
Family:
  Ramphastidae
Genus:
   Aulacorhynchus
Scientific:
  Aulacorhynchus cognatus

Original description

Citation:
  (Nelson, EW 1912)

Reference:
   Smithson. Misc. Coll. 60, no.3 p.4

Protonym:
  Aulacorhamphus caeruleigularis cognatus

Type locality:
  Mt. Pirri, 5000 feet, head of the Río Limon, Darien.

Link:
  https://www.biodiversitylibrary.org/item/35814#page/46/mode/1up

Avibase identifiers

Avibase ID:
  CA6C688718573A20

Avibase ID:
  avibase-CA6C6887

Short link:
  https://avibase.ca/CA6C6887

Taxonomic Serial Number:
  TSN: 685717

Geographic range:

  • Aulacorhynchus prasinus cognatus: mountains of eastern Panama (Darién) and adjacent Colombia
Source: Clements checklist
English:
Nelson's Toucanet
Danish:
Panamatukanet
Esperanto:
Violgorĝa tukaneto
Estonian:
panama smaragdtuukan
French:
Toucanet du Darién
Italian:
Tucanetto golaviola
Dutch:
Violetkeelarassari
Norwegian:
Fiolettstrupetukan
Polish:
pieprzojad panamski
Russian:
Фиолетовогорлый туканет
Slovak:
tukaník dariensky
Swedish:
violettstrupig tukanett
Chinese:
紫喉巨嘴鸟
Chinese (Traditional):
紫喉小鵎鵼

Authorities recognizing this taxonomic concept:

Avibase taxonomic concepts (current):
Nelson's Toucanet ( Aulacorhynchus cognatus) [version 1]
Avibase taxonomic concepts v. 2023 (May 2023):
Nelson's Toucanet ( Aulacorhynchus cognatus) [version 1]
Avibase taxonomic concepts v. 2024 (Oct 2024):
Nelson's Toucanet ( Aulacorhynchus cognatus) [version 1]
Avibase taxonomic concepts v. 2025 (Nov 2025):
Nelson's Toucanet ( Aulacorhynchus cognatus) [version 1]
Avibase taxonomic concepts v. 01 (August 2013):
Nelson's Toucanet ( Aulacorhynchus cognatus) [version 1]
Avibase taxonomic concepts v. 02 (May 2014):
Nelson's Toucanet ( Aulacorhynchus cognatus) [version 1]
Avibase taxonomic concepts v. 03 (March 2015):
Nelson's Toucanet ( Aulacorhynchus cognatus) [version 1]
Avibase taxonomic concepts v. 04 (Aug 2016):
Nelson's Toucanet ( Aulacorhynchus cognatus) [version 1]
Avibase taxonomic concepts v. 05 (Jan 2017):
Nelson's Toucanet ( Aulacorhynchus cognatus) [version 1]
Avibase taxonomic concepts v. 06 (Feb 2018):
Nelson's Toucanet ( Aulacorhynchus cognatus) [version 1]
Avibase taxonomic concepts v. 07 (Feb 2020):
Nelson's Toucanet ( Aulacorhynchus cognatus) [version 1]
Avibase taxonomic concepts v. 08 (Feb 2021):
Nelson's Toucanet ( Aulacorhynchus cognatus) [version 1]
Avilist 2025:
Aulacorhynchus prasinus cognatus [version 3]
HBW and BirdLife Taxonomic Checklist v5 (Dec 2020):
Aulacorhynchus caeruleogularis cognatus [version 1]
HBW and BirdLife Taxonomic Checklist v6 (Dec 2021):
Aulacorhynchus caeruleogularis cognatus [version 1]
HBW and BirdLife Taxonomic Checklist v6b (Jul 2022):
Aulacorhynchus caeruleogularis cognatus [version 1]
HBW and BirdLife Taxonomic Checklist v7 (Dec 2022):
Aulacorhynchus caeruleogularis cognatus [version 1]
HBW and BirdLife Taxonomic Checklist v8 (Dec 2023):
Aulacorhynchus caeruleogularis cognatus [version 1]
HBW and BirdLife Taxonomic Checklist v9 (Oct 2024):
Aulacorhynchus caeruleogularis cognatus [version 1]
HBW and BirdLife Taxonomic Checklist v10 (Oct 2025):
Aulacorhynchus caeruleogularis cognatus [version 1]
Clements, version 2021:
Aulacorhynchus prasinus cognatus [version 3]
Clements, version 2022:
Aulacorhynchus prasinus cognatus [version 3]
Clements, version 2023:
Aulacorhynchus prasinus cognatus [version 3]
Clements, version 2024:
Aulacorhynchus prasinus cognatus [version 3]
Clements, version 2025:
Aulacorhynchus prasinus cognatus [version 3]
Clements 5th edition (as published):
Aulacorhynchus prasinus cognatus [version 1]
Clements 5th edition (incl. 2000 revisions):
Aulacorhynchus prasinus cognatus [version 1]
Clements 5th edition (incl. 2001 revisions):
Aulacorhynchus prasinus cognatus [version 1]
Clements 5th edition (incl. 2002 revisions):
Aulacorhynchus prasinus cognatus [version 1]
Clements 5th edition (incl. 2003 revisions):
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
Clements 5th edition (incl. 2004 revisions):
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
Clements 5th edition (incl. 2005 revisions):
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
Clements 6th edition:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
Clements 6th edition (incl. 2007 revisions):
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
Clements 6th edition (incl. 2008 revisions):
Aulacorhynchus prasinus cognatus [version 1]
Clements 6th edition (incl. 2009 revisions):
Aulacorhynchus prasinus cognatus [version 1]
Clements 6th edition (version 6.5 incl. 2010 revisions):
Aulacorhynchus prasinus cognatus [version 1]
Clements 6th edition (version 6.6 incl. 2011 revisions):
Aulacorhynchus prasinus cognatus [version 1]
Clements 6th edition (version 6.7 incl. 2012 revisions):
Aulacorhynchus prasinus cognatus [version 1]
Clements 6th edition (version 6.8 incl. 2013 revisions):
Aulacorhynchus prasinus cognatus [version 1]
Clements 6th edition (version 6.9 incl. 2014 revisions):
Aulacorhynchus prasinus cognatus [version 1]
Clements, version 2015:
Aulacorhynchus prasinus cognatus [version 1]
Clements, version 2016:
Aulacorhynchus prasinus cognatus [version 1]
Clements, version 2017:
Aulacorhynchus prasinus cognatus [version 3]
Clements, version 2018:
Aulacorhynchus prasinus cognatus [version 3]
Clements, version 2019:
Aulacorhynchus prasinus cognatus [version 3]
eBird version 1.50:
Emerald Toucanet (Violet-throated) ( Aulacorhynchus prasinus cognatus) [version 1]
eBird version 1.52:
Emerald Toucanet (Violet-throated) ( Aulacorhynchus prasinus cognatus) [version 1]
eBird version 1.53:
Emerald Toucanet (Violet-throated) ( Aulacorhynchus prasinus cognatus) [version 1]
eBird version 1.54:
Emerald Toucanet (Violet-throated) ( Aulacorhynchus prasinus cognatus) [version 1]
eBird version 1.55:
Emerald Toucanet (Violet-throated) ( Aulacorhynchus prasinus cognatus) [version 2]
eBird version 2015:
Emerald Toucanet (Violet-throated) ( Aulacorhynchus prasinus cognatus) [version 2]
eBird version 2016:
Emerald Toucanet (Violet-throated) ( Aulacorhynchus prasinus cognatus) [version 2]
eBird version 2017:
Northern Emerald-Toucanet (Violet-throated) ( Aulacorhynchus prasinus cognatus) [version 3]
eBird version 2018:
Northern Emerald-Toucanet (Violet-throated) ( Aulacorhynchus prasinus cognatus) [version 3]
eBird version 2019:
Northern Emerald-Toucanet (Violet-throated) ( Aulacorhynchus prasinus cognatus) [version 3]
eBird version 2021:
Northern Emerald-Toucanet (Violet-throated) ( Aulacorhynchus prasinus cognatus) [version 3]
eBird version 2022:
Northern Emerald-Toucanet (Violet-throated) ( Aulacorhynchus prasinus cognatus) [version 3]
eBird version 2023:
Northern Emerald-Toucanet (Violet-throated) ( Aulacorhynchus prasinus cognatus) [version 3]
eBird version 2024:
Northern Emerald-Toucanet (Violet-throated) ( Aulacorhynchus prasinus cognatus) [version 3]
eBird version 2025:
Northern Emerald-Toucanet (Violet-throated) ( Aulacorhynchus prasinus cognatus) [version 3]
Howard and Moore 2nd edition:
Aulacorhynchus prasinus cognatus [version 1]
Howard and Moore 3rd edition (as published):
Aulacorhynchus prasinus cognatus [version 1]
Howard and Moore 3rd edition (incl. corrigenda 1.2):
Aulacorhynchus prasinus cognatus [version 1]
Howard and Moore 3rd edition (incl. corrigenda 2.1):
Aulacorhynchus prasinus cognatus [version 1]
Howard and Moore 3rd edition (incl. corrigenda 3.1):
Aulacorhynchus prasinus cognatus [version 1]
Howard and Moore 3rd edition (incl. corrigenda 4):
Aulacorhynchus prasinus cognatus [version 1]
Howard and Moore 3rd edition (incl. corrigenda 5):
Aulacorhynchus prasinus cognatus [version 1]
Howard and Moore 3rd edition (incl. corrigenda 6):
Aulacorhynchus prasinus cognatus [version 1]
Howard and Moore 3rd edition (incl. corrigenda 7):
Aulacorhynchus prasinus cognatus [version 1]
Howard and Moore 3rd edition (incl. corrigenda 8):
Aulacorhynchus prasinus cognatus [version 1]
Howard and Moore 4th edition (vol. 1-2):
Aulacorhynchus prasinus cognatus [version 1]
Howard and Moore 4th edition (incl. corrigenda vol.1-2):
Aulacorhynchus prasinus cognatus [version 1]
Handbook of the Birds of the World (vol 1-16):
Aulacorhynchus prasinus cognatus [version 1]
Handbook of the Birds of the World Alive (31/01/2015):
Aulacorhynchus caeruleogularis cognatus [version 1]
Handbook of the Birds of the World Alive (03/07/2017):
Aulacorhynchus caeruleogularis cognatus [version 1]
Handbook of the Birds of the World and Birdlife (Dec 2017):
Aulacorhynchus caeruleogularis cognatus [version 1]
Handbook of the Birds of the World and Birdlife (Dec 2018):
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 1.6:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
IOC World Bird Names, version 1.7:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
IOC World Bird Names, version 2.0:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
IOC World Bird Names, version 2.1:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
IOC World Bird Names, version 2.2:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
IOC World Bird Names, version 2.3:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
IOC World Bird Names, version 2.4:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
IOC World Bird Names, version 2.5:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
IOC World Bird Names, version 2.6:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
IOC World Bird Names, version 2.7:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
IOC World Bird Names, version 2.8:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
IOC World Bird Names, version 2.9:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
IOC World Bird Names, version 2.10:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
IOC World Bird Names, version 2.11:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
IOC World Bird Names, version 3.1:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
IOC World Bird Names, version 3.2:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
IOC World Bird Names, version 3.3:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 1]
IOC World Bird Names, version 3.4:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 2]
IOC World Bird Names, version 3.5:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 2]
IOC World Bird Names, version 4.1:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 2]
IOC World Bird Names, version 4.2:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 2]
IOC World Bird Names, version 4.3:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 2]
IOC World Bird Names, version 4.4:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 2]
IOC World Bird Names, version 5.1:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 2]
IOC World Bird Names, version 5.2:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 2]
IOC World Bird Names, version 5.3:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 2]
IOC World Bird Names, version 5.4:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 2]
IOC World Bird Names, version 6.1:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 2]
IOC World Bird Names, version 6.2:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 2]
IOC World Bird Names, version 6.3:
Violet-throated Toucanet ( Aulacorhynchus cognatus) [version 2]
IOC World Bird Names, version 6.4:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 7.1:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 7.2:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 7.3:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 8.1:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 8.2:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 9.1:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 9.2:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 10.1:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 10.2:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 11.1:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 11.2:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 12.1:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 12.2:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 13.1:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 13.2:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 14.1:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 14.2:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 15.1:
Aulacorhynchus caeruleogularis cognatus [version 1]
IOC World Bird Names, version 15.2:
Aulacorhynchus prasinus cognatus [version 3]
Peters' Check-list of the Birds (original):
Aulacorhynchus prasinus cognatus [version 1]
Peters' Check-list of the Birds (2nd edition):
Aulacorhynchus prasinus cognatus [version 1]
Zoonomen - Zoological Nomenclature Resource:
Aulacorhynchus cognatus [version 1]
Zoonomen - Zoological Nomenclature Resource:
Aulacorhynchus cognatus [version 1]

Taxonomic status:

Species status: full species (sometimes a subspecies)

This taxon is considered a subspecies of Aulacorhynchus [caeruleogularis or cognatus] (sensu lato) by some authors

Your sightings

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Related taxa

Alternative arrangements:  1  2  3 

Highlight taxa in a checklist (shown in red)

Other synonyms

See also the taxonomic synonyms table.


Afrikaans: Noordelike Smaragtoekantjie (Perskeel-)
Bulgarian: Северен смарагдов тукан (ssp. cognatus)
Catalan: tucanet maragda (cognatus)
Czech: arassari smaragdový (ssp. cognatus)
Danish: Panamatukanet, Smaragdtukanet (Panamatukanet)
German: Laucharassari (cognatus)
English: Emerald Toucanet (Violet-throated), Goldman's Blue-throated Toucanet, Nelson's Toucanet, Northern Emerald Toucanet (Violet-throated), Northern Emerald-Toucanet (Violet-throated), Violet-throated Toucanet
English (Avilist): Northern Emerald-Toucanet (Violet-throated)
English, HBW: Blue-throated Toucanet (Violet-throated)
English (IOC): Blue-throated Toucanet (Violet-throated)
English (United States): Northern Emerald-Toucanet (Violet-throated)
Esperanto: Nelsona tukaneto, Violgorĝa tukaneto
Spanish: Tucanete Esmeralda (cognatus)
Spanish (Costa Rica): Tucancillo Verde (cognatus)
Spanish (Ecuador): Tucancillo Esmeralda Norteño (Gorguivioleta)
Spanish (Spain): Tucanete Esmeralda (cognatus)
Spanish (HBW): Northern Emerald-Toucanet (Violet-throated)
Spanish (Honduras): Tucancillo Verde (cognatus)
Spanish (Mexico): Tucancillo Verde Mesoamericano (de Garganta Violeta)
Spanish (Panama): Tucancillo Verde Norteño (cognatus), Tucancillo Verde Norteño (Gorguivioleta)
Estonian: panama smaragdtuukan
Finnish: smaragditukaani (cognatus)
French: Toucanet de Darién, Toucanet du Darién, Toucanet émeraude (cognatus), Toucanet émeraude (de Darién), Toucanet émeraude (du Darién)
French (Guyane): Toucanet émeraude (cognatus)
Croatian: šarenorepi tukan (cognatus)
Italian: Tucanetto golaviola
Japanese (romaji): kibashimidorichuuhashi (cognatus)
Japanese: キバシミドリチュウハシ (cognatus), キバシミドリチュウハシ（cognatus）
Scientific: Aulacorhamphus caeruleigularis cognatus, Aulacorhynchus caeruleogularis cognatus, Aulacorhynchus cognatus, Aulacorhynchus prasinus cognatus
Dutch: Smaragd-arassari (cognatus), Violetkeelarassari
Norwegian: Fiolettstrupetukan, smaragdtukan (cognatus)
Polish: pieprzojad panamski, pieprzojad szmaragdowy (cognatus)
Portuguese (Portugal): tucaninho-esmeralda (cognatus)
Russian: Изумрудный туканет (cognatus), Фиолетовогорлый туканет
Slovak: tukaník dariensky, tukaník dariénsky, tukaník dariensky (skup.)
Serbian: Severni smaragdni tukanet (ljubičastog grla)
Swedish: violettstrupig tukanett
Turkish: Zümrüt tukanet (cognatus)
Ukrainian: Тукан оливковоголовий (підвид cognatus)
Chinese: 紫喉巨嘴鸟
Chinese (Traditional): 紫喉小鵎鵼

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