An additional transplant effort is underway to establish dusky grouse on the Mogollon Rim. This large grouse lives in mountain forests of ponderosa and lodgepole pine, aspen, and fir. Dusky Grouse by Chris Wood | Macaulay Library. Males are steely gray-blue with purplish air sacs in the neck and red eye combs that they show off for brownish, highly camouflaged females. Dusky Grouse (Dendragapus obscurus) bird sounds free download on dibird.com. General Description Blue Grouse (recently split to two species, the Sooty Grouse and Dusky Grouse)are the second largest grouse in North America (the largest grouse is the sage grouse). The two sage-grouse (Greater and Gunnison) are the only larger American grouse species. Female browner and more intricately patterned. They have a moderately long dark gray tail. It’s closely related to the Sooty Grouse and both species were previously considered as two subspecies for a single species under the name of the ‘Blue Grouse’. The male Dusky grouse is mainly of a dark color with a purplish throat air sacs surrounded by white, and a yellow to red wattle over the eyes. Listen for the quiet, low-pitched, but insistent hoots that males make as part of their display. The Dusky Grouse used to be considered the paler, interior subspecies that occupies drier east-side habitats of the birds’ distribution range. ), martens, weasels, foxes, coyotes, bobcats, lynx, and even larger mammals may prey on the eggs, chicks, or adults throughout the year. These birds, like other grouse, spook easily, and that’s usually the first time you see them (when they fly away). Notes: Black background FEATHER SCAN DATA. Female often fearless in defense of eggs or young, standing her ground when approached closely. Males have dark gray tails and blue-gray underparts. Feather Metadata. Raptors (e.g., bald and golden eagles, hawks, owls, etc. This has ceased to be the case, and each is a separate species. Dusky Grouse Female. Both sexes of the Dusky grouse have long, square tails which are unbarred, and uniform blue-grey breasts and bellies. Females tend to be browner with barring on the head, neck, and back. Feather Total Length. Adult females are mottled brown with dark brown and white marks on the underparts. Males are a slate-gray or blue-gray, while females are more mottled brown. These birds are most likely to be confused with the Spruce Grouse too. Dusky Blue Grouse. But male Spruce Grouse considerably smaller and have a black breast patch. The male Dusky grouse is mainly of a dark color with a purplish throat air sacs surrounded by white, and a yellow to red wattle over the eyes. © Andrew Spencer | Macaulay Library The Dusky Grouse is a forest-dwelling Grouse species native to the Rocky Mountains in North America. Females tend to be browner with barring on the head, neck, and back. Both male and female are mottled in camouflage patterns of brown, gray, white, and black. In display, males reveal purplish-red air sacs on the neck, and their eye combs swell and become a rich yellow or red. Young can make short flights at age of 8-9 days, are full-grown at about 13 weeks. Both sexes of the Dusky grouse have long, square tails which are … Description. Dusky Grouse and Sooty Grouse, a species of wet Pacific coastal forests, were long considered the same species (“Blue Grouse”), but their displays, plumages, vocalizations, and genetics differ. To find them, hike through a mountain forest with fairly open understory. Females tend to be browner with barring on the head, neck, and back. Most bird species have a consistent number of tail feathers (rectrices)—usually around 10 of them. They were later combined into one species called the “blue grouse” in the 1900s. Dusky Blue Grouse. Till very recently, the dusky grouse and sooty grouse were considered subspecies of the blue grouse. The Dusky Grouse, however, can have from 15 to 22. Till very recently, the dusky grouse and sooty grouse were considered subspecies of the blue grouse. Adults have a long square tail, gray at the end. Female Dusky Grouse – Nikon D200, f6.3, 1/1250, ISO 400, Nikkor 200-400mm VR with 1.4x TC at 242mm, natural light, not baited Mia McPherson, OntheWingPhotography.com These birds are most likely to be confused with the, Pale buff with reddish brown spots and markings. The species ranges from sun-baked bitterbrush steppe to the twisted “krummholz” trees of frigid mountaintops, somehow managing to thrive on a simple diet of plants and insects. The dusky grouse (Dendragapus obscurus) is a species of forest-dwelling grouse native to the Rocky Mountains in North America. The dusky grouse is a large forest grouse species, larger than the ruffed grouse, weighing approximately 2 to 3 pounds on average. While female dusky grouse will aggressively defend their young by hissing and flapping their wings, there are still some very effective natural predators. When male displays, ruffles neck feathers to reveal wrinkled purple-red skin and makes deep hooting noise. The Dusky Grouse is the third largest grouse in North America. Large, dark chickenlike bird found in wooded habitats, usually with conifers and shrubby undergrowth. Interesting Facts. Both continue to be collectively called blue grouse. Males are measurably larger than females, 2-year-old “cocks” weigh up to 3 pounds as opposed to the adult female’s average weight of between 1.75 to 2 pounds. The female Dusky grouse lays 5 – 10 eggs and incubate them for 25 – 28 days. Males are steely gray-blue with purplish air sacs in the neck and red eye combs that they show off for brownish, highly camouflaged females. Pheasants, Grouse, and Allies(Order: Galliformes, Family:Phasianidae). Typically seen on the ground; easiest to see in mid-summer when females and chicks frequent roadsides and trails. Feather Vane Length. Native to the Rocky Mountains, food in the winter is scarce. The Cornell Lab will send you updates about birds, birding, and opportunities to help bird conservation. The females are mottled brown or gray with black barring. The young chicks can make short flights at age of 8 – 9 days and are full-grown at about 13 weeks. It remained that way until 2006, when the American Ornithologist’s Union decided to once again split the species into two separate species. © 2017 – 2019 domesticforst.com, All Rights Reserved. On the rear side of their tail fan, they also have light gray … Get Instant ID help for 650+ North American birds. Dusky Grouse Female. The male Dusky grouse is mainly of a dark color with a purplish throat air sacs surrounded by white, and a yellow to red wattle over the eyes. A displaying male struts repeatedly back and forth over a patch of open ground, tail fanned and air sacs and eyebrows exposed, usually allowing great views. The dusky grouse and the sooty grouse were first identified separately by Lewis and Clark in the 1800s. The two species do sometimes hybridize in a small zone of contact in interior British Colombia. While female Spruce Grouse have white underparts with conspicuous black barring, unlike female Dusky Grouse that are bluish-grey beneath. Both sexes of the Dusky grouse have long, square tails which are unbarred, and uniform blue-grey breasts and bellies. The female Dusky grouse lays 5 – 10 eggs and incubate them for 25 – 28 days. For nearly a century, this species was known as the “Blue Grouse” along with the similar Sooty Grouse of Pacific Coast forests.

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