(Current Biology 25, 2518–2526; October 5, 2015)
Due to an author oversight during the production process, the Supplemental Information PDF originally published with this article online omitted the Supplemental References list. Also, the reference citations throughout the Supplemental Information PDF were incorrectly numbered as “[S?]” instead of “[S1],” “[S2],” etc. The PDF has now been updated online to include the Supplemental References list, and to correct the reference citations throughout. The authors apologize for the inconvenience.
Footnotes
This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Contributor Information
George B.J. Busby, Email: george@well.ox.ac.uk.
Cristian Capelli, Email: cristian.capelli@zoo.ox.ac.uk.