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Bonasa umbellus

(Shoulder-Knot Grouse)

Common Names

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Click on the language to view common names.

Common Names in English:

Birch Partridge, Carpenter Bird, Drumming Grouse, Drumming Pheasant, Moor Fowl, Mountain Pheasant, Oregon Grouse, Partridge, Pine Hen, Ruffed Grouse, Ruffed Heathcock, Shoulder-Knot Grouse, Tipper, White-Flesher, Wood Grouse, Wood Hen, Woodpile Quarker, Woods Pheasant

Common Names in French:

Gèlinotte Huppèe, Gélinotte Huppée, Gélinotte Huppée

Common Names in German:

Kragenhuhn

Description

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Physical Description

Adult Gray Morph : Head : Crest : small Neck: Sides: black ruffs used in display Body: Underparts: brown or gray-barred Upperparts: brown or gray with heavy white spotting Tail: multibanded rusty-red or gray with wide dark band and whitish tip.

Size/Age/Growth

About 17 inches long, with a wingspan of 22 to 25 inches. Adults weigh about 22.4 ounces .

Habitat

Found in woods patched with openings.

Typically found at an altitude of 0 to 3,800 meters (0 to 12,467 feet).[1]

Ecology: List of Habitats : 1.1 Forest - Boreal 1.4 Forest - Temperate

Biology

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Diet

Almost Exclusively: Plant Matter. Lesser Quantities of: Insects

Reproduction

Nests from mid-April to early July.

Migration

Nonmigratory

Taxonomy

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Notes

Name Status: Accepted Name . Latest taxonomic scrutiny: 06-Aug-2005.

Similar Species

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Spruce Grouse, Blue Grouse

Members of the genus Bonasa

There are approximately 25 species in this genus:

B. bonasia (Hazel Grouse) · B. bonasia bonasia (Hazel Grouse) · B. bonasia rupestris · B. bonasia vicinitas · B. bonasia volgensis · B. sewerzowi (Severtzov's Hazel Grouse) · B. umbellus (Shoulder-Knot Grouse) · B. umbellus affinis · B. umbellus brunnescens (Ruffed Grouse) · B. umbellus castanea (Ruffed Grouse) · B. umbellus incana (Ruffed Grouse) · B. umbellus intergrade · B. umbellus labradorensis · B. umbellus mediana (Ruffed Grouse) · B. umbellus medianus · B. umbellus monticola (Ruffed Grouse) · B. umbellus obscura · B. umbellus phaia (Ruffed Grouse) · B. umbellus phaios · B. umbellus sabini (Ruffed Grouse) · B. umbellus togata (Ruffed Grouse) · B. umbellus umbelloides (Ruffed Grouse) · B. umbellus umbellus (Shoulder-Knot Grouse) · B. umbellus x · B. umbellus yukonensis (Ruffed Grouse)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal March 08, 2008:

Identifiers

Footnotes

  1. Mean = 561.680 meters (1,842.782 feet), Standard Deviation = 708.770 based on 19,386 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
Last Revised: 2009-06-19