At Boston’s Museum of Science, even a Tyrannosaurus Rex knows to wear a mask in public, although his indoor cousin may be open a little wide for that—but even he’s ready to remind us to wach our hands.
Incidentally, a sign by the outdoor model points out that it was made at a time when only five T-Rex skeletons had been discovered, and the thirty or so discovered since, including some nearly complete, have changed our view of his appearance a bit,