The Sooty Blue Grouse is a relatively new bird species that was formerly referred to simply as the Blue Grouse. Practically every island and cape has a population of these birds, with the exception of Prince of Wales Island. Click here to return to the species description page comm.). Prefers semi-open woodlands and mature stands of hemlock, cedar, spruce, and white fir in winter. I don't currently have distinct range data for the Sooty and Dusky Grouse as separate species. Practically every island and cape has a population of these birds, with the exception of Prince of Wales Island. Description.
In 2006, Blue Grouse was split into two distinct species: the Sooty Blue Grouse and the Dusky Blue Grouse. Grouse. It is closely related to the dusky grouse (Dendragapus obscurus), and the two were previously considered a single species, the blue grouse. Range and Habitat.
Broadly speaking, they are large, grayish grouse found in wooded, often mountainous areas, but they differ substantially in, plumage, behavior, and habitat preference. Range and Habitat. cies’ range are the highest Sooty Grouse densities recorded anywhere in California. Sooty Grouse: Found in southeastern Alaska to California in a narrow range between the coast and the western Rocky Mountains. When male displays, ruffles neck feathers to reveal wrinkled yellow skin and makes deep hooting noise, slightly higher pitched than Dusky. Male sooty grouse in the Rocky Mountains have a red neck sac instead of a yellow one. Large mature conifer sare important to sooty grouse, as it provides food and shelter in the winter months. The male sooty grouse is gray to bluish-gray with a red to yellowish-orange comb over its eyes. In 1992, densities of hoot-ing males were estimated to be 3 males per km2 at Big Baldy Ridge, Sequoia National Park, Tulare County (J.
The female is spotted brown with a dark tail. I don't currently have distinct range data for the Sooty and Dusky Grouse as separate species. Sooty Grouse still occupy most of their original range, although they once inhabited the Puget Trough from Seattle to Portland. Deforestation for development and agriculture has eliminated habitat for Sooty Grouse … Adults have a long square tail, light gray at the end. The wet, evergreen forests of Southeast Alaska from Haines to Ketchikan are the home of the sooty grouse. Sooty Grouse can attain high population densities and remains distributed throughout most of its historic range. It has a yellow neck sac surrounded by white. Even so, data from the North American Breeding Bird Survey suggest that the survey-wide population decreased by 1.8% per year from 1968–2015 ( Sauer, J. R., D. K. Niven, J. E. Hines, D. J. Ziolkowski Jr., K. L. Pardieck, J. E. Fallon, and W. A.
One exception is an inland range in California's Sierra Nevada Mountains. The Blue Grouse is separated into two sub-species, one called the Sooty Grouse which is found near the Pacific Coast and the Dusky Grouse found in the interiors of the West. The male Sooty grouse is mainly dark in color, with yellow throat air sacs surrounded by white, and yellow wattles over the eyes. Although high The genus Dendragapus contains two closely related species of grouse that have often been treated as a single variable taxon (blue grouse). Then, there are the Greater Sage-Grouse of the midwest prairies and the Gunnison Sage-Grouse found only in Colorado.