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Median, interquartile range (box) and range (bars) of mass-specific standard metabolic rate (sSMR; in millilitres of oxygen per minute per kilogram) for an Australian fur seal male (black box, n = 1) and female (white box, n = 1) and New Zealand fur seal males (grey box, n = 3) during the moult, post-moult and pre-moult periods.
