What is the primary structural role of the Lace Monitor's long tail when the lizard rears up?

Answer

Serving as a counterbalance

The tail, which is almost twice the length of the head and body, acts as a counterbalance when the lizard rears up.

What is the primary structural role of the Lace Monitor's long tail when the lizard rears up?
reptileadaptationsurvivalmonitörlizard