秦岭南麓新分布小太平鸟迁徙期食性初步观察

2011-2013年冬季,作者采用分组全天跟踪的方法,调查小太平鸟迁徙期活动特征和食性。结果证明:小太平鸟冬季由北向南成群迁徙过程中,会在某个生境优良的区域停留取食9~15日、成群活动在树冠上部。小太平鸟在迁徙期停留区域取食植物果实种类有20种,有人工栽培树种果实,也有野生树种果实。今后应持续迁移路线、停歇地、种群动态监测。

Observation Report on Feeding Habits of Bombycilla garrulus during Migration in South of Qinling Mountains

In the winters of 2011,2012 and 2013,the method ofgrouping track throughout the day was applied to investigate the behavior characteristics and feeding habits of Bombycilla garrulous during migration period.The results showed that when groups of B.garrulus migrated from north to south in winter,an excellent habitat would be chosen to stay for feeding 9to 15 days and activities in groups were observed over the canopy.There were 20 species of plant fruits eaten by B.garrulus during migration.Among them,there were fruits from cultivated species or from wild species.