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hei qin ji de ri chang sheng huo
Author(s): 
Pages: 58-61
Year: Issue:  1
Journal: CHINA NATURE

Keyword:  黑琴鸡求偶场固定使用金属光泽松鸡科腕关节易危雄鸟鸡形目横斑;
Abstract: <正>每年3月末4月初,黑琴鸡进入发情期,雄鸡会换上夺人眼球的"婚装",两眼上方的冠状物开始充血,远远望去像鲜红的鸡冠。盛装打扮的雄鸡成群结队来到祖辈固定使用的求偶场展开激烈的争夺战。一时间,冬去春刚来到的树林里好不热闹,生气勃勃。黑琴鸡(Lyrurus tetrix)又称树鸡、口北树鸡(古名)、黑鸡、黑野鸡、黑雷鸡和乌鸡等,是鸡形目松鸡科鸟,国家二级保护动物,属于中国濒危动物红皮书中的易危物种。黑琴鸡通体几乎为黑色;头、颈、喉和下背具蓝绿色金属光泽;翅上具宽阔的白色横斑,腕关节处具白色块斑;尾深叉状,且外侧尾羽
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