Correction to: Communications Biology https://doi.org/10.1038/s42003-021-02212-z, published online 3 June 2021.

In the original version of the Article, the title was incorrectly stated as “Zinc isotopes from archaeological bones provide reliable tropic level information for marine mammals.” This has now been corrected to “Zinc isotopes from archaeological bones provide reliable trophic level information for marine mammals” in the PDF and HTML versions of the article.