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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.
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.
The Siberian grouse (Falcipennis falcipennis), also known as Siberian spruce grouse, Amur grouse, or Asian spruce grouse, [2] is a short, rotund forest-dwelling grouse. A sedentary, non-migratory bird, it is the only member of the genus Falcipennis .
When male chickens inseminated female turkeys, both male and female embryos form, but the males are much less viable and usually die in the early stages of development. When male turkeys inseminated female chickens, no hybrids resulted; however, the unfertilised chicken eggs began to divide.
While cats mark their territory both by rubbing the scent glands, by urine and fecal deposits, spraying seems to be the "loudest" feline olfactory communication. It is most frequently observed in intact male cats in competition with other males. Males neutered in adulthood may still spray after neutering. Female cats also sometimes spray. [7]
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 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 ...