MATERNAL TRAITS AND REPRODUCTIVE EFFORT IN NORTHERN ELEPHANT SEALS

By D. Crocker, Jeannine D. Williams, Daniel P. Costa, B. L. Boeuf. 2001

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Impact of El Nino on the foraging behavior of female northern elephant seals (2006, background): “Larger females wean larger pups (Reiter et al. 1981, Crocker et al. 2001), but it has been difficult to show offspring survival advantages that are derived from this increased parental investment.”
Age‐specific survival and reproductive performances in fur seals: evidence of senescence and individual quality (2006, background): “…it could be interesting to explore to what extent individual quality could be determined by characteristics related to either individual phenotypic patterns (Festa-Bianchet 1998, Pomeroy et al. 1999, Crocker et al. 2001) or foraging tactics during the pup-rearing process (Beauplet et al. 2004).”
HOW DO MAGELLANIC PENGUINS COPE WITH VARIABILITY IN THEIR ACCESS TO PREY (2005, background): “…to grow their young as quickly and efficiently as possible, although the time scale over which the said conditions must be met can be highly variable, being largely dependent on animal mass (cf. land/sea phases for elephant seals [e.g., Crocker et al. 2001] vs. cormorants [Grémillet et al. 2003]).”