(See videos of chameleon tongue projections.) Stored in the lizard’s throat pouch is a tongue bone surrounded by sheaths of elastic, collagenous tissue inside a tubular accelerator muscle.

We’re not sure if the tongue or eyeball is the more interesting lizard body part! Geckos don’t have eyelids; instead, they ...

Then, they touch their tongue to the roof of their mouth ... Keepers can’t pick up a huge and potentially dangerous lizard like Murphy, so they train him to participate in his care.