DIFFERENCES IN FORAGING LOCATION OF MEXICAN AND CALIFORNIA ELEPHANT SEALS: EVIDENCE FROM STABLE ISOTOPES IN PUPS

By D. Aurioles, P. Koch, B. L. Boeuf. 2006

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Subfields: Ecology

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Retrospective characterization of ontogenetic shifts in killer whale diets via δ 13 C and δ 15 N analysis of teeth (2009, methodology): “…the foraging location of several wide-ranging top marine consumers, including northern fur seals breeding in California and Alaska (Burton & Koch 1999, Newsome et al. 2007a), as well as northern elephant seals Mirounga angustirosis breeding off the coast of Baja California (Aurioles et al. 2006).”
Using stable isotope biogeochemistry to study marine mammal ecology (2010, background): “Aurioles et al. (2006) showed that northern elephant seal pups from breeding colonies off the Pacific coast of Baja California have lower hair 13C and 15N values than pups from central California, and suggested that adult females from Mexico forage, on average, at lower latitudes than their…”