At the sight of an enemy, Varanus panoptes stands up on its hind legs, transforming into a dinosaur.

https://t.co/HvGSMKkfGT https://video.twimg.com/ext_tw_video/1776833907989843969/pu/vid/avc1/720x966/McIqScso9It1TMIf.mp4?tag=12