SOCIAL STATUS AND MATING ACTIVITY IN ELEPHANT SEALS

被引:138
作者
LEBOEUF, BJ
PETERSON, RS
机构
关键词
D O I
10.1126/science.163.3862.91
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Individually marked male elephant seals, Mirounga angustirostris, observed on an island off central California participate in a social hierarchy resembling the peck order of domestic chickens. Individuals achieve status by fighting and maintain it by stereotyped threat displays. The higher the status of a male, the more readily he approaches and copulates with females. Four percent of the males inseminated 85 percent of the females.
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页码:91 / &
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