To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S1 Biplanar x-ray video of lung ventilation in the savannah monitor (Varanus exanthematicus) savannah02. The animal is breathing deeply after treadmill locomotion. Lateral view (left) and dorsal view (right). Journal of Experimental Biology ; doi: 10.1242/jeb.189449 Download Original Video