Hazel Grouse vs Black Grouse

In short

The Hazel Grouse and Black Grouse are both members of the Phasianidae family, but they differ notably in size and tail shape. The Hazel Grouse is smaller and has a short, rounded tail, while the Black Grouse is larger with a distinctive lyre-shaped tail. These differences are most apparent when the birds are in flight or displaying.

Identification tips

1. Size and Tail Shape: Look for the smaller size and rounded tail of the Hazel Grouse versus the larger size and lyre-shaped tail of the Black Grouse. 2. Plumage: Note the cryptic, mottled plumage of the Hazel Grouse compared to the striking black and white of the male Black Grouse. 3. Behavior: Observe the presence of lekking behavior in Black Grouse during the breeding season. 4. Habitat: Consider the habitat; dense forests suggest Hazel Grouse, while open moorlands suggest Black Grouse. 5. Vocalizations: Listen for the soft whistles of the Hazel Grouse and the bubbling calls of the Black Grouse.

Size

The Hazel Grouse is significantly smaller than the Black Grouse, which is larger and more robust.

Plumage

The Hazel Grouse has a more cryptic plumage with mottled brown and grey tones, aiding in camouflage. In contrast, the male Black Grouse is striking with glossy black plumage and white wing bars, while the female is brown and more similar to the Hazel Grouse but larger.

Behaviour

Black Grouse males are known for their elaborate lekking displays, which are not observed in Hazel Grouse. Hazel Grouse tend to be more secretive and are often seen alone or in pairs.

Habitat

Both species inhabit forested areas, but the Hazel Grouse prefers dense, mixed woodlands, whereas the Black Grouse is more commonly found in open moorlands and forest edges.

Voice

The Hazel Grouse has a soft, whistling call, whereas the Black Grouse males produce a bubbling cooing sound during their display.