Supplementary information: Evidence for individual discrimination and numerical assessment in collective antipredator behaviour in wild jackdaws (Corvus monedula). Coomes JR, McIvor GE, Thornton A. from Evidence for individual discrimination and numerical assessment in collective antipredator behaviour in wild jackdaws (Corvus monedula)

The supplementary information provides extra details of methods used to record scold calls, create playback tracks and carry out playback experiments. It also includes extra information on the results (including the MCMCglmm analyses), a link to a video file illustrating a response to a playback with five individuals calling and extra information for the discussion. In addition, there are extra tables and plots to further aid understanding of the statistical analysis.