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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 ...
The genus Tetrao was introduced in 1758 by the Swedish naturalist Carl Linnaeus in the tenth edition of his Systema Naturae. [1] The genus name is the Latin word for a game bird, probably a black grouse. [2]
Compared to the western capercaillie, it is slightly smaller in size with a slimmer body profile and longer neck, has a black beak (hence its name) instead of being horn-colored, and a longer, more spatulate tail. The eastern capercaillie has a somewhat glossy bluish-black head and neck down to a metallic turquoise breast.
This page was last edited on 1 June 2014, at 18:50 (UTC).; Text is available under the
The rackelhahn or rackelwild is a hybrid between the western capercaillie (Tetrao urogallus) and the black grouse (Lyrurus tetrix). [1] [2] [3] References
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The western capercaillie (Tetrao urogallus) is the regional bird of Central Finland. [3] The largest lake in the very water-based region is Lake Päijänne (1,080 km 2). Other large lakes are Lake Keitele (490 km2), Lake Konnevesi (190 km 2) and Lake Kivijärvi (150 km 2).
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 ...