Hazel Grouse Tetrastes bonasia


Taxonomic source(s)
AERC TAC. 2003. AERC TAC Checklist of bird taxa occurring in Western Palearctic region, 15th Draft. Available at: # _the_WP15.xls#.
AERC TAC. 2003. AERC TAC Checklist of bird taxa occurring in Western Palearctic region, 15th Draft. Available at: # _the_WP15.xls#.
Cramp, S. and Perrins, C.M. 1977-1994. Handbook of the birds of Europe, the Middle East and Africa. The birds of the western Palearctic. Oxford University Press, Oxford.
Cramp, S.; Perrins, C. M. 1977-1994. Handbook of the birds of Europe, the Middle East and Africa. The birds of the western Palearctic. Oxford University Press, Oxford.
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
del Hoyo, J.; Collar, N. J.; Christie, D. A.; Elliott, A.; Fishpool, L. D. C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Barcelona, Spain and Cambridge UK: Lynx Edicions and BirdLife International.

IUCN Red List criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2016 Least Concern
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 429 g

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 30,700,000
Severely fragmented? no -
Population and trend
Value Data quality Derivation Year of estimate
Number of mature individuals 9000000-19999999 poor estimated 2012
Population trend decreasing suspected -
Generation length (years) 4.4 - - -

Population justification: In Europe, the breeding population is estimated to number c.1,480,000-2,920,000 pairs, which equates to 2,950,000-5,830,000 mature individuals (BirdLife International 2015). Europe forms approximately 30% of the global range, so a very preliminary estimate of the global population size is c. 9,800,000-19,400,000 mature individuals although further validation of this estimate is needed. The population is therefore placed in the band 9,000,000-19,999,999 mature individuals. In addition, national population estimates include: c.10,000-100,000 breeding pairs in China; c.100-10,000 breeding pairs in Korea; c.100-10,000 breeding pairs in Japan and c.100,000-1 million breeding pairs in Russia (Brazil 2009).

Trend justification: The population is suspected to be declining owing to habitat destruction (del Hoyo et al. 1994). Local extinctions have been recorded in parts of China and Mongolia as a result of forest loss (Madge and McGowan 2002). Within the species's European range the population is estimated to be stable (BirdLife International 2015, EBCC 2015).

Country/territory distribution
Country/Territory Presence Origin Resident Breeding Non-breeding Passage
Albania extant native yes
Austria extant native yes
Belarus extant native yes
Belgium extant native yes
Bosnia and Herzegovina extant native yes
Bulgaria extant native yes
China (mainland) extant native yes
Croatia extant native yes
Czechia extant native yes
Estonia extant native yes
Finland extant native yes
France extant native yes
Germany extant native yes
Greece extant native yes
Hungary extant native yes
Italy extant native yes
Japan extant native yes
Kazakhstan extant native yes
Latvia extant native yes
Liechtenstein extant native yes
Lithuania extant native yes
Luxembourg extant native yes
Mongolia extant native yes
Montenegro extant native yes
North Korea extant native yes
North Macedonia extant native yes
Norway extant native yes
Poland extant native yes
Romania extant native yes
Russia extant native yes
Russia (Asian) extant native yes
Russia (Central Asian) extant native yes
Russia (European) extant native yes
Serbia extant native yes
Slovakia extant native yes
Slovenia extant native yes
South Korea extant native yes
Spain extant native yes
Sweden extant native yes
Switzerland extant native yes
Ukraine extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Czechia Sumava mountains (Bohemian forest)
Belgium Sinémurienne
Belgium Haute Sûre/Ardenne méridionale
Belgium Deux Ourthes
Belgium Tailles
Belgium Lesse et Lomme
Sweden Lake Persöfjärden
Sweden Florarna
Sweden Hanveden – Hemfosa
Poland Knyszyn Forest
France Massif des Vosges : crêtes de Schneeberg au Donon
France Massif des Vosges: Hautes Vosges
France Plateau Ardennais
France Barois et Forêt de Clairvaux
France Bassin du Drugeon: Pontarlier-Frasne
France Forêts d'altitude du Jura : forêt du Risol et Mont d'Or
France Forêt d'altitude du Jura : forêt du Risoux
France Forêts d'altitude du Jura : forêt du Massacre
France Bois du Chapitre
France Parc National des Ecrins
France Parc National de la Vanoise
France Haute chaîne du Jura: défilé de l'écluse, Etournel et Mont Vuache
France Montagne des Frêtes et plateau des Glières
France Les Bauges
France Haut Giffre
Czechia Beskydy mountains
Czechia Jeseniky mountains
Austria Ötscher-Dürrenstein
Austria Freiwald
Austria Northern Kalkalpen
Germany Burgwald
Estonia Lahemaa
Estonia Alam-Pedja
Czechia Novohradské hory mountains
Russia (Central Asian) Vodorazdel'naya
Russia (Central Asian) East slope of the Northern Ural
Russia (Central Asian) Baturino-Simansky area
Russia (Central Asian) Bol'shoy and Maly Akh lakes
Russia (Central Asian) Ust'-Ozerninskiye bogs
Lithuania Birzai forest
Bulgaria Rila
Bulgaria Kotlenska Mountain
Bulgaria Pirin
Bulgaria Dobrostan
Bulgaria Western Rhodopes
Bulgaria Sredna Gora
Bulgaria Central Balkan
Bulgaria Trigrad-Mursalitsa
Italy Mount Grappa
Italy Tarvisio forest and Giulie pre-alps
Czechia Boletice
Italy Carniche pre-Alps
Italy Lagorai mountains
Italy Adamello-Brenta
Sweden Färnebofjärden
Italy Stelvio National Park
Kazakhstan Markakol State Nature Reserve
Sweden Sjöängen – Svartån
Kazakhstan Paradise Valley mountain plateau
Italy Val d'Ossola
Hungary Aggtelek Karst
Slovakia Laborecká upland
Slovakia Nízke Tatry
Russia (Central Asian) Yel'tsovskaya
Slovakia Bukovské hills
Slovakia Tatry
Slovakia Veľká Fatra
Russia (Central Asian) Bol'shaya Indra lake
Russia (Central Asian) Dikoye and Epanchino lakes
Russia (Central Asian) Vizhay river
Russia (Central Asian) Istochnoye, Sredneye and Schuch'ye lakes
Russia (Central Asian) Kondinskiye lakes
Russia (Central Asian) Watershed of the Mulym'ya and Bolshoy Tap rivers
Russia (Central Asian) East slope of the Northern Ural
Russia (Central Asian) Zapovednik "Denezhkin Kamen'"
Russia (Central Asian) Russkoye lake
Russia (Central Asian) Molebny Kamen' ridge
Russia (Central Asian) Poyasovy Kamen' ridge
Russia (Central Asian) Pershinsko-Manatkinsky area
Russia (Central Asian) Kuznetsky Alatau Zapovednik
Russia (Central Asian) Korgonskaya
Russia (Central Asian) Kurkure mountain
Russia (Central Asian) Shapshal ridge
Russia (Central Asian) Tundyt mountain
Germany Northern Black Forest
Germany Bayerischer Wald National Park with Arber region and Hohem Bogen
Germany Ammergau mountains
Germany Karwendel and Karwendel foothills
Germany South-eastern Alb and Upper Danube valley
Germany Stromberg
Germany Southern Black Forest
Germany High alps of Allgäu
Germany Eastern Chiemgau Alps
Germany Southern Harz near Zorge
Germany Central Black Forest
Germany Hauberge near Haiger
Germany Egge
Germany Mittelsiegbergland
Germany Ahrgebirge
Germany Lahn slopes
Germany Middle Rhine valley
Germany Middle and Lower Mosel
Luxembourg Upper Valley of the Sure
Luxembourg Region Kiischpelt
Luxembourg Upper Valley of the Our
Romania Defileul Superior al Mureşului
Romania Giurgeu Depression
Romania Grădiştea Muncelului
Romania Frumoasa
Romania Igniş Mountains - Creasta Cocoşului
Romania Retezat Mountains
Romania Rodnei Mountains
Romania Vrancea Mountains
Romania Padiş - Vlădeasa mountain
Romania Vânători - Neamţ
Hungary Karancs–Medves
Lithuania Buda - Pravieniskes forest complex
Lithuania Zemaitija National Park
Hungary Putnok Hills
Hungary Mátra
Poland Augustów forest
Poland Bialowieza Forest
Poland Tatra mountains
Poland Beskid Niski Mountains
Poland Przemysl Plateau
Poland Slonne Mountains
Poland Bieszczady Mountains
Slovenia Grintovci
Slovenia Jelovica plateau
Slovenia Julijci
Slovenia Kočevsko
Slovenia Trnovski gozd
Croatia Gorski Kotar and Northern Lika
Croatia Mount Velebit
Croatia Plitvice Lakes National Park
Serbia Golija
Serbia Mokra Gora
Serbia Prokletije
Serbia Tara mountain
Serbia Zlatar
Montenegro Durmitor
Montenegro Bjelasica
Montenegro Prokletije
Montenegro Proscenske mountains
Montenegro Sinjajevina

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Boreal major resident
Forest Temperate suitable resident
Altitude 160 - 1800 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2023) Species factsheet: Tetrastes bonasia. Downloaded from on 26/09/2023. Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from on 26/09/2023.