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Female in Bavarian Forest, Germany Tetrao urogallus urogallus—eggs Male capercaillie marking his territory to a hiker in a Finnish taiga forest. The breeding season of the western capercaillie starts according to spring weather progress, vegetation development and altitude between March and April and lasts until May or June. Three-quarters of ...
The black-billed capercaillie (Tetrao urogalloides), also known as eastern capercaillie, Siberian capercaillie, spotted capercaillie or (in Russian) stone capercaillie, [2] is a large grouse species closely related to the more widespread western capercaillie.
The genus name is the Latin word for a game bird, probably a black grouse. [2] The black grouse was included by Linnaeus in the genus Tetrao but is now placed in the genus Lyrurus. [1] [3] The type species was designated as the western capercaillie (Tetrao urogallus) by George Robert Gray in 1840. [4] [5]
The grey francolin was formally described in 1789 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's Systema Naturae.He placed it with all the grouse like birds in the genus Tetrao and coined the binomial name Tetrao pondicerianus. [2]
The largest producer of fresh eggs in the U.S. said Tuesday it had temporarily halted production at a Texas plant after bird flu was found in chickens, and officials said the virus had also been ...
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The hazel grouse (Tetrastes bonasia), sometimes called the hazel hen, is one of the smaller members of the grouse family of birds.It is a sedentary species, breeding across the Palearctic as far east as Hokkaido, and as far west as eastern and central Europe, in dense, damp, mixed coniferous woodland, preferably with some spruce.
Bird flu has cost the government roughly $660 million and in recent times raised the price of eggs and poultry. At least 58 million birds were slaughtered last year to limit the spread of the ...