S1 file contains following tables: Table A. Categorisation and sample size of 2-minute subsamples per focal male rank; Table B. Observed focal male–rival male pairs and their relative rank; Table C. Model 3: Generalized linear mixed model predicting the presence or absence of a mating gesture by the focal subject, including nearest neighbour variables and visual access to nearest neighbour; Table D. Contingency tables for Models 1–6.

(DOCX)