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Dusky Grouse

Dendragapus obscurus (Say, T 1822)

The dusky grouse is a species of forest-dwelling grouse native to the Rocky Mountains in North America. It is closely related to the sooty grouse, and the two were previously considered a single species, the blue grouse. Source: Wikipedia




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Classification
Order:
  Galliformes
Family:
  Phasianidae
Genus:
   Dendragapus
Scientific:
  Dendragapus obscurus

Original description

Citation:
  (Say, T 1822)

Reference:
   Exped. Pittsburgh Rocky Mountains [James] 2 p.14,note

Imprint year:
  1823

Protonym:
  Tetrao obscurus

Type locality:
  'Defile Creek,' about twenty miles north of Colorado Springs, Colorado.

Link:
  https://www.biodiversitylibrary.org/item/124315#page/26/mode/1up

Avibase identifiers

Avibase ID:
  A55D83A9520AA6DA

Avibase ID:
  avibase-A55D83A9

Short link:
  https://avibase.ca/A55D83A9

Taxonomic Serial Number:
  TSN: 175860

Geographic range:

  • Dendragapus obscurus: steppe and shrubby fields and open forest edges in western Canada, from southeastern Yukon and southwestern Northwest Territories southward along the Rocky Mountains to southwestern US (northern and central Arizona and New Mexico)
  • Dendragapus obscurus obscurus: mountains of Wyoming to Colorado, Arizona, and New Mexico
  • Dendragapus obscurus richardsonii: Alaska and southern Yukon to Idaho, western Montana, and northwestern Wyoming
  • Dendragapus obscurus pallidus: south-central British Columbia to eastern Washington and northeastern Oregon
  • Dendragapus obscurus oreinus: mountains of northeastern Nevada and adjacent Utah
  • Show more...
Source: Clements checklist
English:
Dusky Grouse
Afrikaans:
Bruinrotshoender
Azerbaijani:
Küknar meşətoyuğu
Bulgarian:
Американски сив тетрев
Catalan:
Grèvol fosc
Czech:
tetřívek douglaskový
Danish:
Blå Hjerpe
German:
Douglasiengebirgshuhn
Esperanto:
malhela tetraono
Spanish:
Gallo oscuro
Spanish (Spain):
Gallo Oscuro
Estonian:
nulupüü
Finnish:
tuhkapyy
French:
Tétras sombre
Croatian:
mrka lještarka
Hungarian:
kék fajd
Icelandic:
Bláorri
Italian:
Pernice blu
Japanese (romaji):
aoraichou
Japanese:
アオライチョウ
Lithuanian:
Tamsusis tetervinas
Latvian:
pelēkais rubenis
Dutch:
Blauw Sneeuwhoen
Norwegian Nynorsk:
Blåjerpe
Norwegian:
Blåjerpe
Polish:
borowiak złotobrewy
Portuguese:
Tetraz-azul
Portuguese (Portugal):
tetraz-sombrio
Russian:
Голубой тетерев
Slovak:
kupido bridlicový
Serbian:
Tamni tetreb
Swedish:
gråjärpe
Turkish:
Göknar Tavuğu
Ukrainian:
Тетерук жовтобровий
Chinese:
蓝镰翅鸡
Chinese (Traditional):
藍鐮樹雞

Authorities recognizing this taxonomic concept:

American Ornithologists' Union 4th edition (1931):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Union 7th edition (incl. 47th suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Union 7th edition (incl. 48th suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Union 7th edition (incl. 49th suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Union 7th edition (incl. 50th suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Union 7th edition (incl. 51st suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Union 7th edition (incl. 52nd suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Union 7th edition (incl. 53rd suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Union 7th edition (incl. 54th suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Union 7th edition (incl. 55th suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Union 7th edition (incl. 56th suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Union 7th edition (incl. 57th suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Society 7th edition (incl. 58th suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Society 7th edition (incl. 59th suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Society 7th edition (incl. 60th suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Society 7th edition (incl. 61st suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Society 7th edition (incl. 61st suppl. and addendum):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Society 7th edition (incl. 62nd suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Society 7th edition (incl. 63rd suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Society 7th edition (incl. 64th suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Society 7th edition (incl. 65th suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
American Ornithologists' Society 7th edition (incl. 66th suppl.):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Avibase taxonomic concepts (current):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Avibase taxonomic concepts v. 2023 (May 2023):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Avibase taxonomic concepts v. 2024 (Oct 2024):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Avibase taxonomic concepts v. 2025 (Nov 2025):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Avibase taxonomic concepts v. 01 (August 2013):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Avibase taxonomic concepts v. 02 (May 2014):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Avibase taxonomic concepts v. 03 (March 2015):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Avibase taxonomic concepts v. 04 (Aug 2016):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Avibase taxonomic concepts v. 05 (Jan 2017):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Avibase taxonomic concepts v. 06 (Feb 2018):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Avibase taxonomic concepts v. 07 (Feb 2020):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Avibase taxonomic concepts v. 08 (Feb 2021):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Avilist 2025:
Dusky Grouse ( Dendragapus obscurus) [version 1]
Birdlife checklist version 00:
Dusky Grouse ( Dendragapus obscurus) [version 1]
Birdlife checklist version 01:
Dusky Grouse ( Dendragapus obscurus) [version 1]
Birdlife checklist version 02:
Dusky Grouse ( Dendragapus obscurus) [version 1]
Birdlife checklist version 03:
Dusky Grouse ( Dendragapus obscurus) [version 1]
Birdlife checklist version 04:
Dusky Grouse ( Dendragapus obscurus) [version 1]
Birdlife checklist version 05 (Jun 2012):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Birdlife checklist version 05.1 (Oct 2012):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Birdlife checklist version 06 (Nov 2013):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Birdlife checklist version 06.1 (Feb 2014):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Birdlife checklist version 07 (Jul 2014):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Birdlife checklist version 08 (Oct 2015):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Birdlife checklist version 09 (Dec 2016):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Birdlife checklist version 09.1 (Jun 2017):
Dusky Grouse ( Dendragapus obscurus) [version 1]
HBW and BirdLife Taxonomic Checklist v2 (Dec 2017):
Dusky Grouse ( Dendragapus obscurus) [version 1]
HBW and BirdLife Taxonomic Checklist v3 (Nov 2018):
Dusky Grouse ( Dendragapus obscurus) [version 1]
HBW and BirdLife Taxonomic Checklist v4 (Dec 2019):
Dusky Grouse ( Dendragapus obscurus) [version 1]
HBW and BirdLife Taxonomic Checklist v5 (Dec 2020):
Dusky Grouse ( Dendragapus obscurus) [version 1]
HBW and BirdLife Taxonomic Checklist v6 (Dec 2021):
Dusky Grouse ( Dendragapus obscurus) [version 1]
HBW and BirdLife Taxonomic Checklist v6b (Jul 2022):
Dusky Grouse ( Dendragapus obscurus) [version 1]
HBW and BirdLife Taxonomic Checklist v7 (Dec 2022):
Dusky Grouse ( Dendragapus obscurus) [version 1]
HBW and BirdLife Taxonomic Checklist v8 (Dec 2023):
Dusky Grouse ( Dendragapus obscurus) [version 1]
HBW and BirdLife Taxonomic Checklist v9 (Oct 2024):
Dusky Grouse ( Dendragapus obscurus) [version 1]
HBW and BirdLife Taxonomic Checklist v10 (Oct 2025):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Commission internationale pour les noms français des oiseaux (1993, révision 2009):
Tétras sombre ( Dendragapus obscurus) [version 1]
Commission internationale pour les noms français des oiseaux (1993):
Tétras sombre ( Dendragapus obscurus) [version 1]
Clements, version 2021:
Dusky Grouse ( Dendragapus obscurus) [version 1]
Clements, version 2022:
Dusky Grouse ( Dendragapus obscurus) [version 1]
Clements, version 2023:
Dusky Grouse ( Dendragapus obscurus) [version 1]
Clements, version 2024:
Dusky Grouse ( Dendragapus obscurus) [version 1]
Clements, version 2025:
Dusky Grouse ( Dendragapus obscurus) [version 1]
Clements 6th edition:
Blue Grouse ( Dendragapus obscurus) [version 1]
Clements 6th edition (incl. 2007 revisions):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Clements 6th edition (incl. 2008 revisions):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Clements 6th edition (incl. 2009 revisions):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Clements 6th edition (version 6.5 incl. 2010 revisions):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Clements 6th edition (version 6.6 incl. 2011 revisions):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Clements 6th edition (version 6.7 incl. 2012 revisions):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Clements 6th edition (version 6.8 incl. 2013 revisions):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Clements 6th edition (version 6.9 incl. 2014 revisions):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Clements, version 2015:
Dusky Grouse ( Dendragapus obscurus) [version 1]
Clements, version 2016:
Dusky Grouse ( Dendragapus obscurus) [version 1]
Clements, version 2017:
Dusky Grouse ( Dendragapus obscurus) [version 1]
Clements, version 2018:
Dusky Grouse ( Dendragapus obscurus) [version 1]
Clements, version 2019:
Dusky Grouse ( Dendragapus obscurus) [version 1]
eBird version 1.50:
Dusky Grouse ( Dendragapus obscurus) [version 1]
eBird version 1.52:
Dusky Grouse ( Dendragapus obscurus) [version 1]
eBird version 1.53:
Dusky Grouse ( Dendragapus obscurus) [version 1]
eBird version 1.54:
Dusky Grouse ( Dendragapus obscurus) [version 1]
eBird version 1.55:
Dusky Grouse ( Dendragapus obscurus) [version 1]
eBird version 2015:
Dusky Grouse ( Dendragapus obscurus) [version 1]
eBird version 2016:
Dusky Grouse ( Dendragapus obscurus) [version 1]
eBird version 2017:
Dusky Grouse ( Dendragapus obscurus) [version 1]
eBird version 2018:
Dusky Grouse ( Dendragapus obscurus) [version 1]
eBird version 2019:
Dusky Grouse ( Dendragapus obscurus) [version 1]
eBird version 2021:
Dusky Grouse ( Dendragapus obscurus) [version 1]
eBird version 2022:
Dusky Grouse ( Dendragapus obscurus) [version 1]
eBird version 2023:
Dusky Grouse ( Dendragapus obscurus) [version 1]
eBird version 2024:
Dusky Grouse ( Dendragapus obscurus) [version 1]
eBird version 2025:
Dusky Grouse ( Dendragapus obscurus) [version 1]
Handbook of the Birds of the World Alive (31/01/2015):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Handbook of the Birds of the World Alive (03/07/2017):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Handbook of the Birds of the World and Birdlife (Dec 2017):
Dusky Grouse ( Dendragapus obscurus) [version 1]
Handbook of the Birds of the World and Birdlife (Dec 2018):
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 1.5:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 1.6:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 1.7:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 2.0:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 2.1:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 2.2:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 2.3:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 2.4:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 2.5:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 2.6:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 2.7:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 2.8:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 2.9:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 2.10:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 2.11:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 3.1:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 3.2:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 3.3:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 3.4:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 3.5:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 4.1:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 4.2:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 4.3:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 4.4:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 5.1:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 5.2:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 5.3:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 5.4:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 6.1:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 6.2:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 6.3:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 6.4:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 7.1:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 7.2:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 7.3:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 8.1:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 8.2:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 9.1:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 9.2:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 10.1:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 10.2:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 11.1:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 11.2:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 12.1:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 12.2:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 13.1:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 13.2:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 14.1:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 14.2:
Dusky Grouse ( Dendragapus obscurus) [version 1]
IOC World Bird Names, version 15.1:
Dusky Grouse ( Dendragapus obscurus) [version 1]
Zoonomen - Zoological Nomenclature Resource:
Dendragapus obscurus [version 1]

Taxonomic status:

Species status: full species (sometimes nominal subspecies)

This taxon is considered a subspecies of Dendragapus [obscurus or fuliginosus] (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: Bruinrotshoender
Azerbaijani: Küknar meşətoyuğu
Bulgarian: Американски сив тетрев
Breton: Skilgog teñval
Catalan: Grèvol cellagroc, Grèvol fosc
Czech: tetřívek douglaskový
Welsh: Grugiar dywyll
Danish: Blå Hjerpe, Mørk Hjerpe
German: Douglasiengebirgshuhn, Felsengebirgshuhn, Schwarzenfelsengebirgshuhn
English: Blue Grouse, Dusky Grouse
English (Avilist): Dusky Grouse
English, HBW: Dusky Grouse
English (IOC): Dusky Grouse
English (United States): Dusky Grouse
Esperanto: Malhela lagopo, malhela tetraono
Spanish: Gallo de las Rocosas, Gallo de las Rocosas Negro, Gallo oscuro
Spanish (Spain): Gallo Oscuro
Spanish (HBW): Gallo Oscuro
Estonian: nulupüü
Finnish: Tuhkapyy
French: Cupidon sombre, Tétras sombre
French (Guyane): Tétras sombre
Croatian: mrka lještarka
Hungarian: kék fajd
Icelandic: Bláorri
Italian: Pernice blu, Tetraone blu, Tetraone scuro
Japanese (romaji): aoraichou
Japanese: アオライチョウ
Scientific: Dendragapus obscurus, Dendragapus obscurus obscurus, Tetrao obscurus
Lithuanian: Tamsusis tetervinas
Latvian: pelēkais rubenis
Dutch: Blauw Sneeuwhoen, Blauwe Sneeuwhoen
Norwegian Nynorsk: Blåjerpe
Norwegian: Blåjerpe
Polish: borowiak zlotobrewy, borowiak złotobrewy
Portuguese: Tetraz-azul
Portuguese (Portugal): tetraz-sombrio
Russian: Голубой тетерев, дымчатый тетерев
Slovak: kupido bridlicový
Serbian: Tamni tetreb
Swedish: Blåjärpe, gråjärpe
Turkish: Göknar Tavuğu
Tatar: күк көртлек
Ukrainian: Тетерук жовтобровий
Chinese: 蓝镰翅鸡
Chinese (Traditional): 藍鐮樹雞

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