Raw data associated with Current Biology article "Analysis of narwhal tusks reveals life-long feeding ecology and mercury exposure".

This csv file provides mercury concentrations (ng/g dry weight) and stable isotope (13C and 15N) values for growth layer groups of 10 male narwhal tusks from western Greenland. All data is presented in figures of the manuscript published in Current Biology entitled "Analysis of narwhal tusks reveals life-long feeding ecology and mercury exposure".