摘要
                
                    1993年— 1 998年 ,在山西省沁水县张马地区 ,对白 ( Motacilla alba)和金翅雀 ( Carduelissinica)的巢外育幼进行了观察研究。内容包括亲鸟巢外衔食喂幼鸟期、幼鸟离巢后分布、活动情况及成活率等。结果表明 :白巢外育幼期 5d~ 7d,幼鸟巢外死亡率 54.3% ;金翅雀巢外育幼期 6 d~ 8d,幼鸟巢外死亡率为 51 .6 %。
                
                From 1993 to 1998,the author studied the pied wagtaill(Motacilla alba)and greenfinch(Cardueils sinica)breeding period out of nestes.The study contert of treeding period out of nestes,young birds activities and survival rate.The results show that the Pies wagtaill breeding period out of nestes is 5 d~7 d,death rate is 54.3% and the Greenfinch breeding period out of nestes if 6 d~8 d,death rate is 51.6%.
    
    
    
    
                出处
                
                    《山西林业科技》
                        
                        
                    
                        2001年第B12期4-6,10,共4页
                    
                
                    Shanxi Forestry Science and Technology
     
    
                关键词
                    白JiLing
                    金翅雀
                    巢外育幼鸟
                
                        pied wagtaill
                         greenfinch
                         breeding period out of nestes
                        Lishan Nature Reserve