| 赵格日乐图,布特根,李国海,格日乐朝克图,崔国发.2008.达赉湖自然保护区疣鼻天鹅繁殖行为初步观察.动物学杂志,43(3):60-64. |
| 达赉湖自然保护区疣鼻天鹅繁殖行为初步观察 |
| Observation on Breeding Behavior of Mute Swan in Dalai Lake Nature Reserve |
| 投稿时间：2007-11-01 修订日期：2008-03-04 |
| DOI： |
| 中文关键词: 疣鼻天鹅 繁殖行为 达赉湖自然保护区 |
| 英文关键词:Mute Swan(Cygnus olor) Breeding behavior Dalai Lake Nature Reserve |
| 基金项目:国家林业局“西北荒漠地区湿地类型自然保护区候鸟及其栖息地调查与评价”项目;内蒙古自然科学基金项目(No.200408020527) |
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| 中文摘要: |
| 2006年8～11月和2007年4～8月,在内蒙古达赉湖国家级自然保护区对疣鼻天鹅(Cygnus olor)的繁殖数量、繁殖行为及迁飞时间进行研究。结果显示,疣鼻天鹅通常4月初迁来,10月底迁离,居留期长达196d左右(n=3)。4月下旬开始求偶,时间一般为上午进行,没有固定求偶地点,每次求偶所需时间平均172s(n=8)。主要依靠炫耀行为来保卫和标记领域。2006与2007年的繁殖种群数量均为12只(6对),2006年育成幼鸟数分别为4、2、4、3、6、3只;2007年仅有3对繁殖成功,幼鸟数分别为4、4、5只。 |
| 英文摘要: |
| A field observation on breeding pairs,breeding behavior and migratory time of Mute Swan(Cygnus olor)were conducted in Dalai Lake Nature Reserve from August to September in 2006 and April to August in 2007.The results showed that breeding birds arrived the Dalai Lake in early April and stayed there to later October,and the residence duration was 196 days(n=3).In the late of April,they began to court at any suitable place.Courtship occurred in the morning and each event of courtship lasted 172 s(n=8)in average.The birds mainly depended on displaying to protect and mark their territory.Six breeding pairs were observed in 2006 and 2007,all breeding pairs were successful in breeding and the nest size was 4,2,4,3,6 and 3 respectively in 2006,however,but in 2007,3 out of 6 pairs succeed in breeding,the hatchlings were 4,4,and 5,respectively. |
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