崖沙燕繁殖期雄鸟的占巢行为

Behavior of Occupying Nest of Riparia riparia

2003年3月至2004年4月在南充市郊的嘉陵江边对崖沙燕(R iparia riparia)繁殖期的占巢行为进行了研究.结果表明:占巢行为的平均持续时间为508.07±335.23 s(n=14),标准间隔时间为11.68 s,争斗行为中停顿时间占总时间的(9.55±3.35)%(n=14).对占巢过程中的两种鸣叫声(恫吓叫声、屈服叫声)进行了声谱分析,恫吓叫声持续时间为90-122 m s,频率范围为7 000-2 000 Hz;屈服叫声持续时间为146m s,频率范围为7 300-2 200Hz.

The Behavior of occupying nest of Sand Martin was recorded in Nanchong, Sichuan Province, from March 2003 to April 2004, during the breeding season. The results showed that the average fighting time was 508. 07±3.35s（n = 14） , bout criterion interval was 11.68s, the average off time was 9.55% （n = 14）. Two kinds of call （threatening call, submitting call） were spectrographic ally analyzed.