What does a noticeably plump, full tail suggest about the Gila monster's current state?

Answer

It is metabolically prepared for a long wait

A Gila monster possessing a noticeably plump, full tail indicates that the animal is well-stocked with reserves and metabolically prepared to wait out prolonged periods of food scarcity.

What does a noticeably plump, full tail suggest about the Gila monster's current state?
reptilesurvivallizardfastingGila Monster