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The dusky grouse (Dendragapus obscurus) is a species of forest-dwelling grouse native to the Rocky Mountains in North America. [ 2 ] [ 3 ] It is closely related to the sooty grouse ( Dendragapus fuliginosus ), and the two were previously considered a single species, the blue grouse .
The genus Dendragapus contains two closely related species of grouse that have often been treated as a single variable taxon (blue grouse). The two species are the dusky grouse (Dendragapus obscurus) and the sooty grouse (Dendragapus fuliginosus). [1] In addition, the spruce grouse and Siberian grouse have been considered part of this genus.
The sooty grouse (Dendragapus fuliginosus) is a species of forest-dwelling grouse native to North America's Pacific Coast Ranges. [ 2 ] [ 3 ] It is closely related to the dusky grouse ( Dendragapus obscurus ), and the two were previously considered a single species, the blue grouse .
Ruffed grouse, Bonasa umbellus; White-tailed ptarmigan, Lagopus leucurus; Greater sage-grouse, Centrocercus urophasianus; Gunnison sage-grouse, Centrocercus minimus; Dusky grouse, Dendragapus obscurus; Sharp-tailed grouse, Tympanuchus phasianellus; Greater prairie-chicken, Tympanuchus cupido; Lesser prairie-chicken, Tympanuchus pallidicinctus
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Dusky grouse. Order: Galliformes Family: Phasianidae. Phasianidae consists of the pheasants and their allies. These are terrestrial species, variable in size but generally plump with broad relatively short wings. Many species are gamebirds or have been domesticated as a food source for humans. Eight species have been recorded in Yellowstone.
Abert's towhee Barn owl Black-chinned hummingbird Blue jay Bufflehead Cinnamon teals (male and female) Male dusky grouse Western cattle egret Common merganser. Acorn woodpecker (Melanerpes formicivorus) [83] Abert's towhee (Pipilo aberti) [84] American avocet (Recurvirostra americana) [85] [86] American bittern (Botaurus lentiginosus) [87]
Herbivory is of extreme ecological importance and prevalence among insects.Perhaps one third (or 500,000) of all described species are herbivores. [4] Herbivorous insects are by far the most important animal pollinators, and constitute significant prey items for predatory animals, as well as acting as major parasites and predators of plants; parasitic species often induce the formation of galls.