δ15N and δ13C values in dental collagen as a proxy for age- and sex-related variation in foraging strategies of California sea lions

Ontogenetic changes in feeding habits of northern elephant seals revealed by δ15N and δ13C analysis of growth layers in teeth

(2011) M Riofrío-Lazo et al.   MARINE ECOLOGY PROGRESS SERIES

Alimentary niche partitioning in the Galapagos sea lion, Zalophus wollebaeki

(2010) Diego Páez-Rosas et al.   MARINE BIOLOGY

Stable Isotope Differences between Sea Lions (Zalophus) from the Gulf of California and Galápagos Islands

(2009) David Aurioles-Gamboa et al.   JOURNAL OF MAMMALOGY

Diet differences among age classes of Arctic seals: evidence from stable isotope and mercury biomarkers

(2009) B. G. Young et al.   POLAR BIOLOGY

Isotopic ecology ten years after a call for more laboratory experiments

(2008) Carlos Martínez del Rio et al.   BIOLOGICAL REVIEWS

Tracing early stages of species differentiation: Ecological, morphological and genetic divergence of Galápagos sea lion populations

(2008) Jochen BW Wolf et al.   BMC EVOLUTIONARY BIOLOGY

Multiple foraging strategies in a marine apex predator, the Galapagos sea lion Zalophus wollebaeki

(2008) S Villegas-Amtmann et al.   MARINE ECOLOGY PROGRESS SERIES

Retrospective characterization of ontogenetic shifts in killer whale diets via δ13C and δ15N analysis of teeth

(2008) SD Newsome et al.   MARINE ECOLOGY PROGRESS SERIES

Changes in diets of individual Baltic ringed seals (Phoca hispida botnica) during their breeding season inferred from stable isotope analysis of multiple tissues

(2008) Tuula Sinisalo et al.   MARINE MAMMAL SCIENCE