That, at least, is a big reassurance. The tension slips from Greg's shoulders, though he remains on edge in case the whatever-it-is jumps out from somewhere.

"Okay... good to know. So what kinda critter is it, then...?"

Greg starts crouching down too, to get a better look around. Presumably this is something better left to a professional, or at least a paid employee, but his reflex is to help out.