城市白颊噪鹛群体非繁殖季节的行为节律及时间分配
Behavioral Rhythm and Time Budget of Garrulax sannio Group in Urban during the Non-breeding Season
柴璐艳，赵璐玲，纪维雯，冉江洪*
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作者单位：(四川大学生命科学学院，生物资源与生态环境教育部重点实验室，成都 610064)
中文关键字：白颊噪鹛；行为节律；时间分配；城市
英文关键字：Garrulax sannio; behavioral rhythm; time budget; urban
中文摘要：2011年10月15日~2012年1月3日，2012年10月15日~2012年12月24日对四川大学望江校区白颊噪鹛Garrulax sannio在非繁殖季节时的行为节律及时间分配进行观察和研究。结果表明：白颊噪鹛在非繁殖季节集5~14只的群体，6~8只最多(58.82%)，在日出前(25.69±8.17) min苏醒开始活动，在日落后(40.23±4.16) min进入树上夜栖；在行为节律上，白颊噪鹛的觅食、运动、警戒、保养、社会行为等5种行为均具有极显著的节律性变化；时间分配方面，白颊噪鹛用于觅食的时间最多(52.04±6.10)%，其余时间为运动(13.43±1.84)%，保养(13.11±3.39)%，社会行为(10.89±2.26)%和警戒(10.53±1.23)%。集群生活以及提高警戒频次和保持集群内高强度的联系可能是白颊噪鹛适应城市高干扰环境的内在原因。
英文摘要：From October 15th, 2011 to January 3rd, 2012, October 15th to December 24th, 2012, behavioral rhythm and time budget of white-browed laughing thrush (Garrulax sannio) group during the non-breeding season were studied in Wangjiang Campus of Sichuan University, Chengdu, China. The results showed that during non-breeding seasons, white-browed laughing thrush clustered with the group size ranged from 5~14, and started activities (25.69±8.17) minutes before sunrise and roosted (40.23±4.16) minutes after sunset. The 5 main behaviors, foraging, moving, guarding, maintaining and social behaviors, had rhythm changes significantly. In the daytime, white-browed laughing thrush spent most time on foraging (52.04±6.10)%, and followed by moving (13.43±1.84)%, maintaining (13.11±3.39)%, social behaviors (10.89±2.26)% and guarding (10.53±1.23)%. These results suggested that living in groups, high frequency of guarding and high-strength internal contacts might be the underlying reasons that the white-browed laughing thrush could adapt to the urban habitat with high intensity of human interference.