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The spruce grouse (Canachites canadensis), also known as Canada grouse, spruce hen or fool hen, [2] [3] is a medium-sized grouse closely associated with the coniferous boreal forests or taiga of North America. It is the only member of the genus Canachites.
Greater sage-grouse at a lek, with multiple males displaying for the less conspicuous females. A lek is an aggregation of male animals gathered to engage in competitive displays and courtship rituals, known as lekking, to entice visiting females which are surveying prospective partners with which to mate. [1]
Male grouse can also compete with one another for access to female grouse through territoriality, in which a male defends a territory which has resources that females need, like food and nest sites. [9] These differences in male behavior in mating systems account for the evolution of body size in grouse. [9]
Researchers looked at more than 1,200 surveys from cat caretakers who were asked about their cats' connective behavior toward humans other cats, combative features, problematic behaviors and ...
In addition, the spruce grouse and Siberian grouse have been considered part of this genus. Females of both species (sooty grouse pictured) are mottled brown with dark brown and white marks on the underparts. In breeding plumage, this sooty grouse male is typical of the species. It is dark grey with a yellow wattle over the eye.
Cats have anal sacs or scent glands. Scent is deposited on the feces as it is eliminated. Unlike intact male cats, female and neutered male cats usually do not spray urine. Spraying is accomplished by backing up against a vertical surface and spraying a jet of urine on that surface. Unlike a dog's penis, a cat's penis points backward. Males ...
The western capercaillie (Tetrao urogallus), also known as the Eurasian capercaillie, wood grouse, heather cock, cock-of-the-woods, or simply capercaillie / ˌ k æ p ər ˈ k eɪ l (j) i /, [3] is a heavy member of the grouse family and the largest of all extant grouse species. The heaviest-known specimen, recorded in captivity, had a weight ...
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.