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- W1533554906 abstract "This chapter gives information on the natural history of maternal strategies with focus on data about fitness effects of maternal care in pinnipeds. Pinnipeds are a group of species for which excellent data on maternal strategies exist. Energetic expenditure of mothers for nursing their young is high and in phocids is also highly concentrated in time. Energetics of free-ranging animals have been measured in unusual detail in a number of species. Moreover, sexual size dimorphism is extreme in the best-investigated species. For Northern elephant seals, lifetime reproductive success and its correlation with size have been studied in detail for females as well as for males. Thus, at first sight, the group seemed to offer striking patterns of maternal care as well as strong evidence for extreme sexual selection on males and, therefore, promised relatively large and easier to analyze effects of parental investment than many other mammalian groups. The chapter also focuses on evidence for maternal investment and the relationship between energy expenditure and investment and the evidence for and against differential investment in male and female offspring. It presents the observation of post weaning care in pinnipeds for which it is not clear if investment is involved at all." @default.
- W1533554906 created "2016-06-24" @default.
- W1533554906 creator A5042460590 @default.
- W1533554906 date "1996-01-01" @default.
- W1533554906 modified "2023-10-16" @default.
- W1533554906 title "Parental Investment in Pinnipeds" @default.
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