Black grouse

Their toes grow comblike scales in winter, helping them walk on snow

Matti Suopajärvi


Black grouse

EXEWCRENVUNTLCDDNE

Their toes grow comblike scales in winter, helping them walk on snow

Population 6.94M – 10.7M
7.1% decline over the past three generations

One of Europe’s most charismatic upland birds, famous for its dramatic looks and even more dramatic springtime performances. The males, called blackcocks, are unmistakable: glossy blue-black plumage, a lyre-shaped tail that curls elegantly outward, bold white wing flashes, and bright scarlet eye combs that flare like fiery eyebrows when they’re excited. Females, known as greyhens, wear patterned brown plumage that blends perfectly into moorland grasses and heather — camouflage that protects them and their chicks from predators. Living across northern and central Europe and parts of Asia, black grouse favor open moors, heathlands, forest edges, and peat bogs, where scrub and young trees provide shelter and feeding grounds.

Nothing defines the black grouse like its lekking ritual. At dawn in spring, males gather on traditional open clearings — some of which have been used for generations — and turn the landscape into a natural stage. They bubble, hiss, coo, flutter, and strut, tails fanned and heads held high, trying to impress watching females. Sometimes they face off in short, noisy skirmishes, chest-to-chest, wings beating and feet stamping like tiny, feathered gladiators. The soundscape is unforgettable: a mixture of deep bubbling notes and harsh “hiss-hiss” calls, drifting over misty moors. Females watch quietly, choosing only the most impressive males — so being flashy isn’t just for fun, it’s a survival strategy.

Outside this theatrical season, black grouse lead quieter lives. They feed on buds, shoots, berries, seeds, heather, and insects, switching diets with the seasons. Chicks need a protein boost in their first weeks, so they gobble small insects and caterpillars before settling into more plant matter. In winter, black grouses embrace the cold, like pros: they often burrow into snow to sleep, using drifts as insulation against wind and frost. They can flush suddenly when startled, but their first instinct is often to stay still, blending into the landscape they know so well.

Distribution

Country
Population est.
Status
Year
Comments
Albania
2024
Breeding
Austria
2024
Belarus
2024
Belgium
2024
Bosnia And Herz.
2024
Non-Breeding
Canada
2024
Breeding
China
2024
Breeding
Croatia
Official estimate
EX
Extinct locally
Czechia
2024
Denmark
2024
Non-Breeding
Estonia
2024
Faroe Islands
2024
Non-Breeding
Finland
2024
France
2024
Germany
2024
Breeding
Greece
2024
Hungary
Official estimate
EX
Extinct locally
Italy
2024
Kazakhstan
2024
Kyrgyzstan
2024
Latvia
2024
Liechtenstein
2024
Lithuania
2024
Luxembourg
2024
Breeding
Mongolia
2024
Breeding
Montenegro
2024
Possibly Extinct
Netherlands
2024
North Korea
2024
Non-Breeding
North Macedonia
2024
Non-Breeding
Norway
2024
Breeding
Poland
2024
Breeding
Romania
2024
Russia
2024
Serbia
2024
Possibly Extinct
Slovakia
2024
Slovenia
2024
Spain
2024
Non-Breeding
Sweden
2024
Switzerland
2024
Turkey
Official estimate
EX
Extinct locally
Ukraine
2024
United Kingdom
2024
United States
2024
Breeding

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Terrestrial / Aquatic

Altricial / Precocial

Polygamous / Monogamous

Dimorphic (size) / Monomorphic

Active: Diurnal / Nocturnal

Social behavior: Solitary / Pack / Herd

Diet: Carnivore / Herbivore / Omnivore / Piscivorous / Insectivore

Migratory: Yes / No

Domesticated: Yes / No

Dangerous: Yes / No