鸳鸯越冬期日活动行为时间分配的研究

越冬期鸳鸯（Ａｉｘｇａｌｅｒｉｃｕｌａｔａ）日活动行为的时间分配有明显规律性。休息（４０％－８０％）是越冬期鸳鸯的主要行为．早晨和傍晚是鸳鸯的取食高峰时间。在下午的取食强度高于上午的取食强度。越冬中期（１２－１月）鸳鸯的游泳时间相对减少，休息时间相对延长。在雌雄个体日活动行为的差别上，雄性个体理羽行为的时间比雌性个体多；警戒活动大部分是由雄性个体担任；雌性个体的休息时间比雄性个体多。季节变化，气候条件，以及温度、时间对鸳鸯的日活动行为都有一定的影响。

The Diurnal Time-budgets or Mandarin Duck (Aix galericulata) in Wintering

There are obvious regularity in the diurnal time-budgets of Mandarin duck (Air galericulata)in wintering.Resting is the major activity in this period,which comprises 40%- 80% of the cumulative take budgets.Dawnand dusk is the peek time of feeding in the middle period of wintering(from Dec.to Jan.), the bine spent inswimming decreased,and resting increased.In the difference of males and females,most of alerting activity isundertaken by males;females spent more time in resting than males;and males spent more table in preening thanfemales.The changes of season, climate,temperature and time have influence on the activity and time-budgets of Mandarin duck in wintering.