Hazel Grouse (Tetrastes bonasia)

Hazel Grouse is a small bird species that belongs to the grouse family. This bird is native to the dense forests of Eurasia, particularly in the subalpine regions of Northern Europe, Southern Siberia, northern Japan, and western China. It is also known as the Hazel Hen or the Hazel Chicken.

Hazel Grouse is a seasonal bird as they inhabit higher altitudes in the summer months, usually about 1000-2000 meters above the sea level, whereas, in winter, they move down to the lower valleys. This bird is known for its characteristic behavior and attributes, including its size, plumage, and feeding habits.

The size of the Hazel Grouse is relatively small, measuring between 35-40 cm, and their weight is around 400 grams. They have a distinctive plumage that varies according to their gender. The male bird has a gray breast, rust-colored wings, and a black tail with white feathers. The female bird has a mottled brown plumage with white spots on its feathers.

Hazel Grouse is a herbivore and feeds on a variety of plant materials like leaves, buds, and berries. They feed primarily on the buds of deciduous trees such as birch, willow and hazel, which is how they got their name, the Hazel Grouse. This bird is monogamous and mates for life, usually in late spring or early summer. The breeding takes place in a lined scrape on the ground, concealed by vegetation.

The Hazel Grouse is a shy bird that usually avoids contact with humans and other animals. They make a distinct call by using low-pitched whistles and soft hooting, which is used to locate each other during breeding season or to announce their presence to other birds.

One of the threats facing Hazel Grouse is habitat loss due to deforestation, commercial logging, and land conversion activities. Their population has been declining over the years, and the International Union for Conservation of Nature (IUCN) has listed them as a "Least Concerned" species.

To preserve this beautiful bird species, efforts like forest conservation, habitat restoration, and promoting eco-tourism in their natural habitats have been proposed. Conservationists and bird watchers are working together to spread awareness about this bird's existence and the importance of protecting their habitat.

Other names

Tetrastes bonasia



Hazel Grouse

grèvol comú




jeřábek lesní




Gélinotte des bois


Francolino di monte


paprastoji jerubė


jarząbek (zwyczajny)




jariabok hôrny

Grévol común


Fındık Tavuğu

орябок лісовий






gozdni jereb