With so many different animals on this planet that use camouflage, you ever wonder if there is a species out there that does it so perfectly we'll never discover or catalog it? Since humans are at the top of the food chain, what if there are dozens of species evolved specifically to hide from human beings? You could be seeing them every single day, or maybe there's an unknown species nobody's ever seen before hiding in your room right now trying to hide from you. Exactly when does absence of evidence become evidence of highly evolved camouflaged animals?