开始鸣叫时比较缓慢,以后逐渐加快,并重复多次。美国科学家利用数码摄像机记录了北美洲的石鸡的成长过程,并运用计算机技术分析了石鸡的翅膀形状和扇动情况。他们惊讶地发现,不管是跑动、拍打翅膀或学习从几乎垂直的斜面上起飞的雏鸟,还是能够自由滑行和俯冲的成年鸟,鸟翅相对于地面的倾角基本相同,翅膀扇动幅度基本都保持在1...
Google Share on Facebook chukar Encyclopedia Wikipedia chu·kar (chə-kär′) n. A Eurasian partridge(Alectoris chukar)with grayish-brown plumage and red legs and bill, introduced into western North America as a game bird. [Hindicakor, from Sanskritcakoraḥ.] ...
chukar是什么意思 n.一种鹌鹑(原产于欧洲;后繁殖于北美西部)欧石鸡 chukar自然拼读 chu·kar chukar chukar英英释义 noun a partridge native to Asia and Europe, with red beak and feet and chestnut upper plumage, that has been introduced into the western United States as a game bird. ...
The article features the experiences of shotgun biathletes in hunting chukar partridges. Travis Proctor shares that the dismay he felt when hitting a bird, but have to retrive it for a full hour. Mike Robbins relates that hunting chukars is for fun and eventually makes one...
The meaning of CHUKAR is a grayish-brown Eurasian partridge (Alectoris chukar) introduced as a game bird into arid mountainous regions of the western U.S. —called also chukar partridge.
The meaning of CHUKAR is a grayish-brown Eurasian partridge (Alectoris chukar) introduced as a game bird into arid mountainous regions of the western U.S. —called also chukar partridge.
As other avian Friends, she has a pair of wings at the top of her head with a small patch of sandy brown hair with black streaks, and a light brown bird tail. She holds an orange pick on her right hand, and an orange gradient electric guitar that shows the Kemono Friends logo on ...
The art, culture, and science of chukar and partridge hunting. Upland bird hunting and bird dog photos, videos, gear reviews, chukar hats, and recipes.
Chukar partridge ( Alectoris chukar ) is a very important bird for hunting in northern China. Currently chukar partridges are threatened by habitat loss and fragmentation, hunting, and human persecution on the Loess Plateau of eastern Gansu. We used polymerase chain reaction and dideoxy direct sequen...
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