
Ruffed Grouse (also known as Partridge or Mountain Pheasant)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Galliformes, Family: Phasianidae, Genus: Bonasa, Species: Bonasa umbellus
Family: Phasianidae (Pheasants, Grouse, and Allies)
- Shape
- Symmetrical, broad, and fan-shaped with a rounded, blunt tip and a wide base
- Size
- Approximately 2.5 to 3.5 inches in length. This is consistent with medium body contour feathers found on adult Galliformes.
- Rarity
- Common in appropriate habitat, though their cryptic coloration and secretive nature can make the birds themselves difficult to spot.
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Description
The Ruffed Grouse is a ground-dwelling bird known for its mottled brown, black, and gray plumage which provides perfect camouflage on the forest floor. They are famous for the 'drumming' sound males produce by beating their wings to attract mates.
Colour & Pattern
Mottled grayish-brown base with a distinctive wide, dark subterminal band and prominent white or cream-colored spots/terminations on the barbs near the tip, creating a 'heart' or 'v' shaped white pattern.
Barb Structure
Mixed: Pennaceous (interlocked) at the distal tip for form and color, transitioning to a large plumulaceous (fluffy) downy base for insulation. No notable aftershaft visible in image but typical for family.
Texture & Surface
The tip is smooth and slightly stiff to the touch, while the lower two-thirds are exceptionally soft, silky, and insulating (down-like).
Key Features
Bold subterminal dark band followed by a white tip; dual-textured nature with a large downy base; grayish-brown earthy tones typical of forest floor camouflaging.
Habitat
Found in mixed and deciduous forests, particularly mid-successional forests with high densities of aspen, birch, and alder trees.
Geographic Range
Non-migratory resident across much of North America, ranging from Alaska across Canada to the Northern United States and down the Appalachian Mountains.
Ecological Role
A key prey species for many forest predators like Goshawks and Great Horned Owls; they also serve as seed dispersers for forest berries.
Similar Species
Spruce Grouse (darker, lacks the same white patterning) and Sharp-tailed Grouse (found in more open habitats with different spot patterns).
Interesting Facts
Ruffed Grouse grow 'snowshoes' in the winter—fleshy bristles called pectinations on their toes that help them walk on deep snow.
Condition Notes
Good condition. The feather appears freshly molted with minimal wear on the edges. There are no visible fault bars or parasite damage.