笼养雄性冠斑犀鸟繁殖期取食与哺育活动研究

Observation of Feeding and Nurturing of Anthracoceros coronata's in Breeding Period in Capativity

20 0 3年 5月 11日～ 8月 4日在南宁市动物园内跟踪观察 2只正处于繁殖期的冠斑犀鸟。目标雄性冠斑犀鸟个体发生的 ,或者与其他个体间发生的行为事件采用焦点动物取样法全程观察记录。目标雄性冠斑犀鸟在巢洞口哺育的所有行为采用全事件取样法观察记录。观察得到的数据采用 SPSS10 .0 forwindows计算机软件进行分析。结果表明 :雌鸟封巢期 ,雄鸟的取食频次与喂食次数呈显著正相关 (Sig. <0 .0 1) ,9:0 0～ 11:0 0是取食活动高峰期。雌鸟封巢 6周后 ,在早上 (6 :0 0～ 8:30 )和傍晚 (17:0 0～ 19:0 0 )雄鸟的取食和哺育活动性明显加强。封巢后的第 11～ 13天出现第一个喂食高峰 ,从第 4 2～ 4 5天开始又出现上升峰 ,之后是一个波动型的上升过程 ,第 75天即雌鸟出巢前的一天喂食达到最高峰 ,然后是较快的递减 ,直到雏鸟出巢。

Two birds of Anthracoceros coronata were observed from May 11th to Aug.4th in Nanning Zoo,south of China. The male individual activities were recorded by the focus sampling in whole course method. The feeding activities of the male at the gate of nest were recorded by whole event sampling method. The feeding peak time was from nine o'clock to eleven o'clock. The feeding activities of the male became more frequent at the sixth week after the female sealed off the nest. The peak activities of feeding appeared at the 11th to the 13th day and the 42th to the 45th day. The last peak activities appeared at the 76th day.And then the feeding activities dropped quickly until the baby bird comes out.