Scientific Reports 7: Article number: 40062; published online: 05 January 2017; updated: 24 February 2017

This Article contains an error in the Methods section under the subheading ‘Subjects’:

“Eurasian jays participated in the study (though see results for samples sizes for each test condition)”.

should read:

“16 Eurasian jays participated in the study (though see results for samples sizes for each test condition)”.