摘要
1996年—1997年的4月—9月,在山西省沁水县中村地区对北红尾鸲的繁殖生态作了观察。结果表明,该鸟在本区为夏候鸟,迁徙期为2月上旬和10月下旬,种群密度为1.4只/km2。营巢期7d~8d,最早5月1日产卵,窝卵数为4枚~6枚,孵卵期12d~13d,孵化率69.35%,巢内育雏13d,出巢率62.90%。繁殖期的食物,动物性的占90.47%,植物性的占9.53%。
From April to September,1996 and 1997,the authors studied the breeding habits of daurian redstart( Phoenicurus auroreus ) in Zhongcun area,Qinshi,Shanxi.The result show that this bird is summer resident,immmigrating in late Feb.and emigrating in late Oct.,the population density is 1 4 birds per km 2.The period of building nest is 7~8 days,the earliest spawning in the first of May.A cluth consists of 4~6 eggs,the incubation lasts 12~13 days and rate of hatchability is 69 35%.The period of young birds in nests are 13 days and survival rate is 62 90%.In breeding period,the birds feed on insect(90 47%) and plant(9 53%).
出处
《山西林业科技》
1998年第2期14-16,共3页
Shanxi Forestry Science and Technology