Correction to: Nature Communications; doi:10.1038/s41467-018-05515-8; published online: 07 Aug 2018
The original version of this Article incorrectly cited as ref. 45 the paper ‘Lynch, E. C., Lahdenperä, M., Mar, K. U. & Lummaa, V. The evolutionary significance of maternal kinship in a long-lived mammal. Philos. Trans. R. Soc. Lond. B (2018, in press)’ in the eighth sentence of the last paragraph of the Introduction, and the last sentence of the first paragraph of the ‘Study population’ section of the Methods. As this paper does not exist, this reference has been removed and all following citations have been renumbered as appropriate. This has been corrected in both the PDF and HTML versions of the Article.