Eye-Bulging Behavior in Lizards of the Genus Sceloporus: A Role in Chemical Communication?
Morgan A. Herrmann, Stephanie M. Campos, Emília P. Martins, and Cristina Romero-Diaz
Copeia 108: 309–315
Supplemental Video 2. Sceloporus virgatus eye-bulging in association with tongue-flicking.