<b>Supplementary material to BEH 3854</b>
<p dir="ltr"><b>Videos 1 and 2.</b> The interactions between each of the individuals.</p><p dir="ltr"><b>Video 3.</b> A combat dance.</p><p dir="ltr"><b>Video 4. </b>Waiting behavior recorded at another sandy beach.</p><p dir="ltr"><b>Appendix. </b>The sttatistical code used in this study.</p>
