can you help me ? i was cleaning some things up in my heated basement and i discovered in a old shirt and in underneath one of our couch cushions there were these tiny black (shiny, hard) SEED LIKE THINGs at least a hundred in one area, there shaped like a oblong circle and have a tiny white tip on them, can they be eggs or some type of insect larvae, or dropping from a rodent or reptile ?? i know what mice droppings look like, no one seems to know what these are, sound familar?/ HELP!!