Hazel Grouse
Tetrastes bonasia
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<birdfyi-bird slug="tetrastes-bonasia"></birdfyi-bird>The Hazel Grouse (Tetrastes bonasia) is a bird species in the family Phasianidae (pheasants & partridges), within the order Galliformes (gamebirds). Recorded measurements include a weight of 384 g. The IUCN Red List classifies it as Least Concern.
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About
A small grouse (~385 g) of family Phasianidae, cryptically patterned in brown and grey with a small crest. Inhabits dense temperate and boreal mixed forests across Eurasia from western Europe to Japan. Feeds on buds, catkins, seeds, and berries. Least Concern; resident of mature forest; sensitive to fragmentation and clear-cutting, using dense conifer understorey for cover.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| Weight | 384.0 g | 13.55 oz |
Identification
Plumage
Finely mottled grey-brown above; male has black throat bordered white; underparts white with chestnut-brown barring; tail grey with black subterminal band; small red eye-comb; female lacks black throat.
Habitat & Range
Geographic Range
Resident across boreal forests of Europe, Russia, and Siberia east to Sakhalin and northern China. Found in mixed conifer-deciduous forest.
Diet & Feeding
Eats buds, catkins, berries, and seeds of deciduous shrubs and trees year-round. Winter diet dominated by alder and birch catkins.
Conservation Status
Behavior & Breeding
Nesting
Nest type: SC. Incubation: 23-27 days. Fledging: 15-35 days.
Clutch Size
5-14
Sound
Song
Very high-pitched, thin whistled 'tseeee-tsi-tsi-tsi-tseeee'; almost insect-like and easy to miss. Male and female calls differ slightly in pitch. Alarm is a sharp 'tsip'; wing drumming display rare.
Taxonomy
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| Order | Galliformes (Gamebirds) |
| Family | Phasianidae (Pheasants & Partridges) |
| Genus | Tetrastes |
| Species | Tetrastes bonasia |
Distribution
Hazel Grouse has been recorded in 5 countries.
countries highlighted
External Databases
Frequently Asked Questions
What does the Hazel Grouse eat?
Where does the Hazel Grouse live?
Is the Hazel Grouse endangered?
How does the Hazel Grouse nest?
What does the Hazel Grouse sound like?
How big is the Hazel Grouse?
What order and family does the Hazel Grouse belong to?
Similar Birds
Other species in the Phasianidae family