| 单词 | Centrocercus urophasianus |
| 释义 |
Centrocercus urophasianus
中文百科
艾草松鸡 Greater sage-grouse（重定向自Centrocercus urophasianus）
  艾草松鸡（学名：Centrocercus urophasianus）是北美洲最大的松鸡。它们生长在美国西部和加拿大的艾伯塔省和沙士吉万省南部长有三齿蒿的地方，种名也因此得来。甘尼森艾草松鸡最近被承认为一个独立品种，而在莫诺盆地的种群也可能是独立的品种。 成鸟有长而尖的尾部，和长至脚趾的羽毛。雄性成鸟在眼上方有黄色的斑点，背灰色，胸白色，喉部深棕色，腹黑色；颈上有两个黄色的囊，可以在求偶时充气以吸引异性。雌性成鸟背部和喉部为杂以白斑的棕灰色，腹部颜色较深。雏鸟背部颜色与雌性成鸟同，腹白色。
英语百科
Greater sage-grouse 艾草松鸡（重定向自Centrocercus urophasianus）
![Lek mating arena, in which each male guards a territory of a few meters in size on average, and in which the dominant males may each attract up to eight females.[12] In addition, each individual is shown with variations in personal space (bubbles), whereby higher-ranking individuals have larger personal space bubbles.[13] Common bird leks typically have 25–30 individuals. A strict hierarchy accords the most desirable top-ranking males the most prestigious central territory, with ungraded and lesser aspirants ranged outside. Females come to these arenas to choose mates when the males' hierarchy has become established, and preferentially mate with the dominants in the centre.](/uploads/202501/03/Lek-diagram0726.jpg) 0726.jpg) The greater sage-grouse (Centrocercus urophasianus) is the largest grouse in North America. Its range is sagebrush country in the western United States and southern Alberta and Saskatchewan, Canada. It was known as simply the sage grouse until the Gunnison sage-grouse was recognized as a separate species in 2000. The Mono Basin population of sage grouse may also be distinct. |
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