Table S1. Bayesian Information Criteria (BIC) scores for model-based clustering of stable carbon and nitrogen isotope ratios in Australian sea lion pup whiskers sampled at Olive Island, Blefuscu Island, and Lilliput Island. Scores highlighted represent maximum-BIC values used to select the optimal model and number of clusters. Model abbreviations are three letter identifiers represent differences in parameters (volume, shape, and orientation) describing the spread of data within clusters in two dimensions (see Fraley and Raftery 2002 for description).

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