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Females may be confused with ruffed grouse but they have a dark tail with a pale band at the end (while the reverse is true in ruffed grouse) and they do not erect their crown feathers when alarmed the way ruffed grouse do. Spruce grouse are among the most silent of all grouse, but they nevertheless have a number of calls used to warn of ...
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 ...
The ruffed grouse is sometimes incorrectly referred to as a "partridge", an unrelated phasianid, and occasionally confused with the grey partridge, a bird of open areas rather than woodlands. [3] The ruffed grouse is the state game bird of Pennsylvania, United States. [4]
Ruffed grouse, successfully introduced to Michigan, Missouri and Nevada, unsuccessfully elsewhere in the United States; successfully introduced to Anticosti Island and Newfoundland in Canada. Greater sage grouse, unsuccessfully re-introduced to New Mexico, [15] unsuccessfully introduced to Montana and British Columbia
Ruffed grouse typically follow a 10-year population cycle, with peaks occurring in years that end in 0, 1 or 9. Recent data indicate ruffed grouse in Wisconsin are entering the upswing of the ...
The ruffed grouse has an annual diet that is ~99% herbivorous, with minor seasonal insectivory [125] [126] Male Chinese grouse are purely herbivorous and females are >90% herbivorous; [ 127 ] hazel grouse males are purely herbivorous, but some females will consume large quantities of insects in spring (although others are nearly purely ...
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.
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.