Reproductive Conflict and the Evolution of Menopause in Killer Whales

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• 作者：Darren P. Croft¹ ; ⁸ ; ^{d.p.croft@exeter.ac.uk} ; Rufus A. Johnstone² ; Samuel Ellis¹ ; Stuart Nattrass³ ; Daniel W. Franks³ ; Lauren J.N. Brent¹ ; Sonia Mazzi⁴ ; Kenneth C. Balcomb⁵ ; John K.B. Ford⁶ ; Michael A. Cant⁷
• 关键词：fertility ; grandmother hypothesis ; human evolution ; life history ; cetacean ; senescence ; cooperation
• 刊名：Current Biology
• 出版年：2017
• 出版时间：23 January 2017
• 年：2017
• 卷：27
• 期：2
• 页码：298-304
• 全文大小：1269 K
• 卷排序：27

文摘

Local group relatedness increases with age in female killer whales Young females are predicted to invest more in reproductive competition The costs of co-breeding with kin are greater for old compared to young females