Crypsis

by 5ocietyx

Crypsis is the evolutionary opposite of predation, and is employed by certain organisms to avoid detection. Here are two examples or types of crypsis in nature, taken from http://en.wikipedia.org/wiki/Crypsis

Varieties of crypsis

Crypsis may occur in a variety of ways, each of which causes the organism in question to blend with its background in at least one of the senses, although visual crypsis is the best known.

Olfactory

Some animals, in both terrestrial and aquatic environments, appear to camouflage their odour, which might otherwise attract predators.[6]Numerous arthropods, both insects and spiders, mimic ants, whether to avoid predation, to hunt ants, or (for example in the Large Blue Butterfly caterpillar) to trick the ants into feeding them.[7]

Auditory

Some insects, notably the Noctuid moths (such as the Large Yellow Underwing) and the Arctiid moths (such as the Garden Tiger), defend themselves against predation by echolocating bats, both by passively absorbing sound with soft fur-like body coverings, and by actively creating sounds to mimic echoes from other locations or objects.[8][9]

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