sooty grouse

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    The sooty grouse (Dendragapus fuliginosus) is a species of forest-dwelling grouse native to North America's Pacific Coast Ranges. It is closely related to the dusky grouse (Dendragapus obscurus), and the two were previously considered a single species, the blue grouse.


    Description


    Adults have a long square tail, light gray at the end. Adult males are mainly dark with a yellow throat air sac surrounded by white, and a yellow wattle over the eye during display. Adult females are mottled brown with dark brown and white marks on the underparts. Females have longer skinnier necks than males. The males have stouter bodies than the females.


    Distribution and habitat


    Their breeding habitat is the edges of conifer and mixed forests in mountainous regions of western North America, from southeastern Alaska and Yukon south to California. Their range is closely associated with that of various conifers. They thrive in old forests because they need diverse plants and trees. Regenerated logged or burned areas also attract the sooty grouse as long as there are plenty of bushes and shrubs to nest in. The nest is a scrape on the ground concealed under a shrub or log.
    Grouse mountain, a mountain that acts as the peak of Vancouver, Canada gets its name from the infamous blue grouse that lives on the mountain. The first hikers that reached the top of the mountain hunted the birds so they honored them by naming the mountain after them. This name is also attributed to the large population of the sooty grouse found on the mountain.


    Migration


    They are permanent residents but move short distances by foot and short flights to denser forest areas in winter, with the odd habit of moving to higher altitudes in winter. The birds move from relatively open breeding areas in autumn to deep coniferous forests in the winter.


    Taxonomy


    The sooty grouse has four recognized subspecies:

    D. f. fuliginosus (Ridgway, 1873)
    D. f. howardi (Dickey & Van Rossem, 1923)
    D. f. sierrae (Chapman, 1904)
    D. f. sitkensis (Swarth, 1921)


    Diet


    These birds forage on the ground, or in trees in winter. In winter, they mainly eat fir and douglas-fir needles, occasionally also hemlock and pine needles; in summer, other green plants (Pteridium, Salix), berries (Gaultheria, Mahonia, Rubus, Vaccinium), and insects (particularly ants, beetles, grasshoppers) are more important. In winter, they are capable of surviving on fir needles alone. In Spring, they enjoy a diet that consists more of berries, leaves, and flowers. Chicks are almost entirely dependent on insect food for their first ten days. Like many birds, the sooty grouse eat grit and tiny stones. This helps them grind up food in the gizzard.


    Breeding


    Males sing with deep hoots on their territory and make short flapping flights to attract females. The sound sounds like someone is hitting a deep but quiet drum. The Males typically make these calls from high in the trees. Females leave the male's territory after mating. A female will then build her nest on the ground in a shallow hole protected by the covering of bushes or logs. She will then lay around 5 to 10 eggs. These eggs are well camouflaged due to their creamy base color with speckled brown spots.


    Conservation


    Sooty grouse are experiencing some population decline from habitat loss at the southern end of their range in southern California. The status of the Sooty Grouse is now classified as at risk. Currently, the species is of low conservation concern, but if a decline in old-growth forests persists the risk of endangerment will increase.


    References

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sooty grouse

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Sooty grouse - Wikipedia

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. [2] [3] [4]

Sooty Grouse Identification - All About Birds

The Sooty Grouse is a large game bird of the wet mountain forests of the Pacific Coast. Females are intricately camouflaged in brown, buff, and white. Males are a steely gray-blue, but during courtship they reveal orange eye combs and yellow-orange air sacs in the neck.

Sooty Grouse | Audubon Field Guide

A large, dark grouse of western coastal forests, also living in mountain forest in the Sierras of California. Until recently, this and the Dusky Grouse were combined as one species, under the name Blue Grouse. Slow-moving and inconspicuous, but often surprisingly tame.

Sooty Grouse Overview, All About Birds, Cornell Lab of ...

The Sooty Grouse is a large game bird of the wet mountain forests of the Pacific Coast. Females are intricately camouflaged in brown, buff, and white. Males are a steely gray-blue, but during courtship they reveal orange eye combs and yellow-orange air sacs in the neck.

Sooty Grouse vs Dusky Grouse: Contrasting Characteristics ...

Nov 26, 2023 · In the majestic mountainous regions of western North America, two closely related avian species, the Sooty Grouse and the Dusky Grouse, thrive amidst the stunning landscapes. These remarkable birds share habitats, yet their distinct characteristics set them apart.

Sooty Grouse - eBird

Large, dark chickenlike bird found in wooded habitats, usually with conifers and shrubby undergrowth. Typically seen on the ground; easiest to detect in midsummer when females and chicks frequent roadsides and trails.

Sooty Grouse Life History - All About Birds

The Sooty Grouse is a large game bird of the wet mountain forests of the Pacific Coast. Females are intricately camouflaged in brown, buff, and white. Males are a steely gray-blue, but during courtship they reveal orange eye combs and yellow-orange air sacs in the neck.

Sooty grouse - Facts, Diet, Habitat & Pictures on Animalia.bio

The sooty grouse (Dendragapus fuliginosus) is a species of forest-dwelling grouse native to North America's Pacific Coast Ranges. It is closely related to the dusky grouse (Dendragapus obscurus), and the two were previously considered a single species, the blue grouse.

Sooty Grouse (Dendragapus fuliginosus) – The Blue Grouse ...

Apr 6, 2018 · The sooty grouse is a large forest grouse species and is the third largest grouse species in North America (All About Birds 2018). The females are mottled brown and cream and have a long dark tail. Males are dark gray and black, as you would expect from a bird that has the word “sooty” in its name.

Sooty Grouse - NDOW

The Sooty Grouse is a large chicken-like bird with dark plumage overall and hints of gray. Males display yellow throat patches and eye combs during courtship. Females have speckled and barred browns throughout their plumage.