Correction to: Nature Ecology & Evolution http://doi.org/10.1038/s41559-017-0331-3 (2017); published online 9 October 2017.

In the version of this Article originally published the location of Punta Arenas was incorrect and should have read ‘Chile’ in Figures 3–5 and in the Supplementary Information. This has been corrected in all versions of the Article.