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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 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 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 .
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The species was later moved to the genus Dendragapus, congeneric with the blue grouse with which spruce grouse often share coniferous habitats. However, spruce grouse do not have inflatable cervical sacs as in blue grouse, and the natal plumage of the two species is different.
In 2014, it was split by the IUCN as a distinct species from the spruce grouse Canachites canadensis after being considered a subspecies. However, as of early 2021 the International Ornithological Congress (IOC) [2], the American Ornithological Society [3], and the Clements taxonomy [4] retain C. f. franklinii and C. f. isleibi as subspecies of spruce grouse.
A ruffed grouse found at the Kortright Centre for Conservation.. Grouse / ɡ r aʊ s / are a group of birds from the order Galliformes, in the family Phasianidae.Grouse are presently assigned to the tribe Tetraonini (formerly the subfamily Tetraoninae and the family Tetraonidae), a classification supported by mitochondrial DNA sequence studies, [2] and applied by the American Ornithologists ...
Dendragapus. A living Dendragapus obscurus, or dusky grouse †Dendragapus obscurus †Dendropanax †Dendropanax latens †Dennstaedia †Dennstaedia americana †Dennstaedtia †Dennstaedtia americana †Dennstaedtiopsis †Dennstaedtiopsis aerenchymata †Desmatippus †Desmatippus tyleri †Desmatochoerus †Desmatochoerus hatcheri ...