SPECIAL ADAPTATIONS:
The loose folds of skin on Chuckwallas (at neck and sides) enable them to climb into a small crevice on a rock face, gulp air to fill their lungs to full capacity and distend their bodies to nearly twice normal girth, so that a predator cannot extricate them. Chuckwallas can modulate their color (somewhat) to better absorb light/heat to regulate their temperature. As diurnal lizards, they are considered one of the"hottest" lizards because they will bask until their bodies reach 100 to 105 degrees. Like many lizards, chuckwallas are capable of autotomy, so they can break off and re-grow a tail, if necessary, to evade predation. Chuckwallas' teeth grow in grooves inside their mouth. If they lose one, they will re grow one to replace it.