Ruffed grouse (Bonasa umbellus) Birds Images Facts Eggs Details

Ruffed grouse (Bonasa umbellus)

The Ruffed Grouse bird is medium size grouse belong from the Appalachian Mountains across Canada to Alaska. This article is about Ruffed grouse Birds Images facts and it’s eggs details.

Sometimes this bird falsely referred to as a partridge birds. The human casually confused with the grey partridge bird. It is the state bird of Pennsylvania, United States.

Ruffed grouse Birds Images

Ruffed grouse facts


  • Ruffed Grouse is chunky, medium-sized birds with a short, triangular plume on the head and a long, fan-shaped tail.
  • These birds have short legs and its look like as the other grouse species.
  • The Ruffed Grouse birds have grey and brown plumage.
  • They have a  very intricately patterned with dark spots on a reddish-brown or grayish background.
  • This dark bars cover the side of the neck and broaden on the belly.
  • The tail of this bird is finely barred and black band near the tip.
  • Both genera are similarly in look but the Female bird has a broken subterminal tail band. The male bird has unbroken tail bands.

Ruffed grouse Birds pair photo


Ruffed Grouse Bird Specification 
Scientific Name Bonasa umbellus
Other Name Gélinotte huppée (French)
Weight 450–750 g (0.99–1.65 lb)
Height 40 to 50 cm (16 to 20 in)
Wingspan 50–64 cm (20–25 in)


They habitually prefer to live in mixed deciduous and coniferous forest interiors with scattered clearings. This Ruffed Grouse bird also live along forested streams and they avoid from burning or logging.

The south, Ruffed grouse habitat for the deciduous forests of oaks,  pines, and hickories. In the  Pacific Northwest, you can find this birds in riparian habitats.

Ruffed grouse picture


This birds almost feed on vegetation such as leaves, twigs of aspen, buds, birch, willow,  fruits of ferns, shrubs, and woody plants. They also like to eat fall, soft fruits, and acorns.

In winter, birds in the south eat forage on leaves, the fruit of greenbrier, mountain laurel, Christmas fern, and other green plants.The adult grouse birds also eat insects and other invertebrates.

Ruffed grouse picture


This bird likes to build their nest at the base of a tree, stump, rock in areas with the sparse ground cover that give a clear view of predators.

The nest of this bird is very simple and it’s only created by the female in the bowl-shaped. It is about 6 inches across and 3 inches deep.

Ruffed grouse nest  pic

Ruffed grouse eggs

Ruffed grouse eggs Specification 
Clutch Size 9–14 eggs
Egg Length 1.5–1.6 in
3.78–4.14 cm
Egg Width 1.1–1.2 in
2.9–3 cm
Incubation Period 23–24 days
Apperaance  Eggs are milky to cinnamon buff sometimes spotted with reddish or brown.

Ruffed grouse call

Mostly these birds are quite but the female bird produces alarm call like petepetepetapeta. The male bird creates the sound by its feather drumming. 

Incredible Ruffed Grouse Birds Images






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