麻雀繁殖参数和孵卵节律初步研究
2012年3～5月,在广西金钟山对麻雀(<i>Passer montanus</i>)的孵卵节律进行初步研究。野外共测量了44巢麻雀的繁殖参数,结果表明:窝卵数为2～4枚,卵总数为146枚,平均窝卵数(3.29±0.61)枚,卵重为(1.82±0.12)g,卵长径为(18.46±0.55)mm,卵短径为(12.05±0.45)mm,孵化率为39.4%,繁殖成功率为21.2%。麻雀交配期有争夺交配权的现象,雌雄共同筑巢、孵卵和育雏,孵卵期平均日出巢数7.8次,孵卵期日活动时间占2.1%,一天中各时间段出巢时间差异不显著(<i>P</i>>0....
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| Format: | Article |
| Language: | zho |
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Editorial Department of Chinese Journal of Wildlife
2017-01-01
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| Series: | 野生动物学报 |
| Subjects: | |
| Online Access: | http://ysdw.nefu.edu.cn/thesisDetails?columnId=67063143&Fpath=home&index=0 |
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