Figure 4
From: Radiocarbon as a Novel Tracer of Extra-Antarctic Feeding in Southern Hemisphere Humpback Whales
Bivariate representation of skin Δ14C and δ13C. Coloured zones represent isotopic values for the Antarctic feeding grounds (gold, dashed line), and Australian feeding grounds (green, dotted line). Biopsied samples are in white, stranded individuals in black. 1A13 is not shown here due to missing δ13C data.
