To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1 Sample thermal video of arousal of a squirrel during an induced arousal. Elapsed time in seconds is recorded in the bottom left corner and temperature scale bar on top left. Identification of a lipid-rich depot in the orbital cavity of the thirteen-lined ground squirrel Amanda D. V. MacCannell, Kevin J. Sinclair, Glenn J. Tattersall, Charles A. McKenzie, and James F. Staples Journal of Experimental Biology 2019. 222:None-None; doi: 10.1242/jeb.195750 Download Original Video