Stable carbon (δ¹³C) and nitrogen (δ¹⁵N) isotope data from whiskers of seven adult male Australian sea lions sampled along the South Australian coastline.

Mean, variance and ranges (‰) shown for each animal. δ15N generally showed a distinction between animals east and west of Spencer Gulf/137°longitude. Individuals at Seal Slide and Seal Bay displayed variance in δ13C (in bold) approaching an order of magnitude greater than any other individual.