摘要
1997年— 1 999年 ,在蟒河自然保护区对大山雀的生态进行了观察。该鸟为林息鸟类 ,筑巢于树洞、墙洞或石缝中。每年 3月— 8月繁殖 ,窝卵数 7枚~ 1 3枚 ,多为 8枚~ 9枚。卵的大小约 1 1 .9mm× 1 5 .8mm,重约 1 3.9g,孵化期 1 2 d~ 1 4d,巢内育雏期 1 4d。以有害昆虫为食 。
From 1997 to 1999,the author strdied the ecological sruvey of Greet Tit in Manghe nature reserve.The results show that the bird are forestry bird,nest are builded in hole of trees,wall and cliff.The breeding period from March to August,A cluth consists of 7—13 eggs,each measuring 11 9 mm×15 8mm,and weighing 13 9 g.The incubation lasts 12 d~14 d and the period of young birds in nests are 14 d.The birds mainly feed on insects and insect eggs.
出处
《山西林业科技》
2001年第1期41-43,共3页
Shanxi Forestry Science and Technology
关键词
自然保护区
大山雀
生态观察
Manghe Nature Reserve
Great Tit
ecological survey