【摘要】 2006年2月8日~3月25日,在云南省丽江拉市海高原湿地自然保护区的拉市海灰鹤越冬地,采用目标取样和扫描取样相结合的方法对灰鹤越冬后期活动行为及食性进行了研究。结果显示:拉市海灰鹤在其越冬后期的主要日活动行为为觅食、警戒和保养。按灰鹤的两种生活集群式来分,其中,家庭鹤各种日活动行为所占的时间比分别为,觅食占62%,警戒占16%,保养占16%,其他占6%;集群鹤,觅食占66%,警戒占16%,保养占14%,其他占4%。依据日常观察及解剖死亡灰鹤的胃分析得出,灰鹤在拉市海越冬地喜好的植物性食物为:小麦的麦粒、豌豆种皮、蚕豆以及以上3种农作物的嫩根,偶尔也会找些动物性食物,如螺类和昆虫等。更多还原

【Abstract】 Using focal sampling and scan sampling method,activity and food habit of Grus grus in late winter in Lashi Lake Plateau Wetlands Nature Reserve were studied from Feb.8 to March 25,2006.The results showed that the major daily activities of Grus grus in late winter in Lashi Lake were looking for food,guarding and keeping health.The occupied time of family-based Grus grus on foot searching,guarding,health keeping and other activity were 62 %,16 %,16 % and 6 %;the occupied time of colony Grus grus on foot searching,guarding,health keeping and other activity were 66 %,16 %,14 % and 4 % respectively.In accordance with daily observation and examination on dead Grus grus,the favorable vegetative foods of Grus grus are wheat kernel,seed coat of pea and horsebean,and tender roots of these crops,sometimes animal food,such as snail and insect.更多还原