Hazel grouse
Tetrastes bonasia (Linnaeus, 1758)
The hazel grouse (Tetrastes bonasia), also called hazel hen or northern hazel grouse, is a bird in the family Phasianidae and the order Galliformes. It is a small bird with an adult body mass of 384.5 g, with reported values from 369 g to 429 g.

Quick facts about the hazel grouse
The hazel grouse is a sedentary herbivore of woodland habitat, with a geographic range of 15,670,000 km². It lays 1 clutch of 9 eggs per year, incubated for 25 days, and is listed as Least Concern on the IUCN Red List.
- Weight
- 369 g – 429 gsrc for Weight
- Length
- Not recorded
- Lifespan
- 7.25 yearssrc for Lifespan
- Diet
- Herbivoresrc for Diet
- Main food
- Not recorded
- Habitat
- woodlandsrc for Habitat
- Egg incubation
- 25 dayssrc for Egg incubation
- Young per litter or clutch
- 8.8 – 9src for Young per litter or clutch
- Age at maturity
- 11.9 monthssrc for Age at maturity
- Litters or clutches a year
- 1src for Litters or clutches a year
- Lifestyle
- Generalistsrc for Lifestyle
- Migration
- Sedentarysrc for Migration
- Conservation status
- Least Concern (IUCN)src for Conservation status
- Countries on record
- Not recorded
Photos of the hazel grouse
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Where does the hazel grouse live?
Not recorded
What is the hazel grouse?
The hazel grouse (Tetrastes bonasia), sometimes called the hazel hen, is one of the smaller members of the grouse tribe of birds. It is a sedentary species, breeding across the Palearctic as far east as Hokkaido, and as far west as central Europe, in dense, damp, mixed coniferous woodland, preferably with some spruce. The bird is sometimes referred to as "rabchick" (from рябчик) by early 20th century English speaking travellers to Russia.
From the Wikipedia article “Hazel grouse” (en.wikipedia.org/w/index.php?title=Hazel_grouse&oldid=1383144401), by Wikipedia contributors, licensed under CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0). This block is kept separate from our own text.
What does the hazel grouse sound like?
Is the hazel grouse endangered?
The hazel grouse is listed as Least Concern on the IUCN Red List: it is not currently at risk of extinction.
- LCLeast Concern
- NTNear Threatened
- VUVulnerable
- ENEndangered
- CRCritically Endangered
- EWExtinct in the Wild
- EXExtinct
Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Least Concern species.
How is the hazel grouse classified?
- kingdomAnimalia
- phylumChordata
- classAves
- orderGalliformes
- familyPhasianidae
- genusTetrastes
- SpeciesTetrastes bonasia (Linnaeus, 1758)
Synonyms Bonasa bonasa, Bonasa bonasia, Bonasa canescens, Bonasia bonasia, Tetrao canus, Tetrastes bonasa
Other names and names in other languages (82)
- Hazel henEnglish
- Northern hazel grouseEnglish
- طيهوجArabic
- طيهوج البندقArabic
- Gallineta montesinaAragonese
- Adi bonazi tetrasıAzerbaijani
- СелBashkir
- HooselhénnBavarian
- АрабокBelarusian
- РабчыкBelarusian
- ЛещаркаBulgarian
- Koadyar-EuraziaBreton
- GrèvolCatalan
- grèvol comúCatalan
- МызыMari
- Ахаль пӑчӑрChuvash
- Ахаль пăчăрChuvash
- jeřábek lesníCzech
- HjerpeDanish
- HaselhahnGerman
- HaselhuhnGerman
- HaselwildGerman
- ΔασόκοταGreek
- ΑγριόκοταGreek
- BonazioEsperanto
- bonazia tetraonoEsperanto
- Grévol comúnSpanish
- laanepüüEstonian
- LarreoiloaBasque
- سیاه خروس فندقیPersian
- pyyFinnish
- Gélinotte des boisFrench
- Gélinotte des coudriersFrench
- GrévolGalician
- שכווי יערותHebrew
- שכו-י יערותHebrew
- lještarkaCroatian
- Gluha lještarkaCroatian
- császármadárHungarian
- JarpiIcelandic
- Francolino di monteItalian
- エゾライチョウJapanese
- ჟრუნიGeorgian
- Сымkjn
- Сұр құрKazakh
- 들꿩Korean
- Вӧр сьӧлаKomi-Permyak
- BëschhongLuxembourgish
- чІырын верчLezghian
- paprastoji jerubėLithuanian
- JerubėLithuanian
- mežirbeLatvian
- музоMari
- чодрамузоMari
- лештаркаMacedonian
- Хөх ногтрууMongolian
- ПовоErzya
- HazelhoenDutch
- jerpeNorwegian
- WidcoPicard
- jarząbek (zwyczajny)Polish
- JarząbekPolish
- galinha-montêsPortuguese
- Galinha-do-matoPortuguese
- galinha-montesaPortuguese
- Cot da guaudRomansh
- IeruncăRomanian
- РябчикRussian
- Обыкновенный рябчикRussian
- БуучугурасYakut
- BakkuNorthern Sami
- jariabok hôrnySlovak
- gozdni jerebSlovenian
- Pula me çafkëAlbanian
- LeštarkaSerbian
- järpeSwedish
- Fındık TavuğuTurkish
- КүшкүлTuvinian
- ОрябокUkrainian
- орябок лісовийUkrainian
- 花尾榛雞Chinese
- 花尾榛鸡Chinese
Catalogue of LifeWikipediaiNaturalistTAXREFWikidataIUCN Red List
Relatives of the hazel grouse
Other species in the same genus Tetrastes.

Chinese grouse
Tetrastes sewerzowi
Common questions
Each answer is written from the sourced facts on this page, and only where they hold the answer.
What kind of animal is the hazel grouse?
The hazel grouse is a bird in the family Phasianidae and the order Galliformes.
How heavy is the hazel grouse?
An adult hazel grouse weighs 384.5 g, with reported values from 369 g to 429 g.
What does the hazel grouse eat?
The hazel grouse is a herbivore.
What habitat does the hazel grouse live in?
The hazel grouse lives in woodland and is sedentary.
Is the hazel grouse endangered?
No. The hazel grouse is listed as Least Concern on the IUCN Red List, which is not a threatened category.
How many eggs does the hazel grouse lay?
The hazel grouse lays 9 eggs per clutch and 1 clutch per year, with an incubation period of 25 days.
How long does the hazel grouse live?
The hazel grouse has a lifespan of 7.25 years.
Who named the hazel grouse?
The hazel grouse, Tetrastes bonasia, was named by (Linnaeus, 1758).
Sources and how to cite this page
Data as of 2026-11-11. How this page is put together.
- An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · CC0 1.0 · E096-269
Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1 - AVONET: morphological, ecological and geographical data for all birds · CC BY 4.0 · v7
Tobias, J.A. et al. (2022) AVONET: morphological, ecological and geographical data for all birds. Ecology Letters 25: 581–597. https://doi.org/10.1111/ele.13898. Data: https://doi.org/10.6084/m9.figshare.16586228.v7 - Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf - Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence). - Wikidata · CC0 1.0 · 2026-11-11
Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service). - Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).
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Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Hazel grouse (Tetrastes bonasia). Retrieved from https://creaturedata.com/animals/hazel-grouse
“Hazel grouse (Tetrastes bonasia).” CreatureData, 2026, https://creaturedata.com/animals/hazel-grouse.
@misc{hazel_grouse_2026,
title = {Hazel grouse (Tetrastes bonasia)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/hazel-grouse},
note = {Data as of 2026-11-11}
}