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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 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.
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 largest supplier of eggs in the country, Cal-Maine Foods, had to put a pause on production after chickens in a Texas plant tested positive for bird flu, the company announced Tuesday.
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]
In early April, a dairy worker in Texas tested positive for avian influenza, also known as bird flu, amid a multi-state outbreak of the virus among cows. The bird flu virus has also been detected ...
Oology (/ oʊ ˈ ɒ l ə dʒ i /; [1] also oölogy) is a branch of ornithology studying bird eggs, nests and breeding behaviour. The word is derived from the Greek oion, meaning egg. Oology can also refer to the hobby of collecting wild birds' eggs, sometimes called egg collecting, birdnesting or egging, which is now illegal in many ...
The black grouse is a large bird with males measuring roughly around 60 centimetres (24 in) in length and weighing 1,100–1,250 grams (2.43–2.76 lb), sometimes up to 2,100 grams (4.6 lb), with females approximately 45 cm (18 in) and weighing 750–1,100 grams (1.65–2.43 lb). [13]