摘要
本文对保定市区越冬的长耳鸮的数量变动与温度、光照的关系;昼夜的活动行为和食性进行了观察分析。
In this paper we study the overwintering behaveior and feeding habits of the long-eared owl in Baoding during 1985-1988. And we find the chang of the number of owls is related to temperature and light.
出处
《河北大学学报（自然科学版）》
CAS
1989年第2期40-45,共6页
Journal of Hebei University(Natural Science Edition)
