Green lacewing larva (Chrysopidae) camouflaged with a pile of dead insects. Larvae from this family are extremely common, but so expertly camouflaged that I suspect a lot of people don't notice them. They accomplish this disguise by packing things (insects, spider egg sacs, spider silk, leaves, lichen, etc.) on elongated dorsal setae (think "back hair"). Cute, but when their heads are viewed close up they are ferocious.