Many reasons to hide exist. In the animal kingdom, concealment—crypsis—is the ability to avoid detection using visual, olefactory (smell), or auditory techniques. While the tactics vary greatly, the strategic purpose is generally either an antipredator adaptation (what animal wants to be eaten?) or a predation strategy (what predator wants its hunting to be detected?).
Camouflage—the visual form of crypsis—is accomplished in several ways: a creature can modify its appearance to resemble its surroundings; it can use disruptive coloration (employing strongly contrasting patterns or colors to hide edges or distinguishing characteristics); it can eliminate shadows by fitting and flattening to its… Read the rest