Camouflage, mimicry and crypsis are ubiquitous in the animal kingdom, and are used by children who feel insecure.

A sibling who feels vulnerable may mimic a sibling who appears less vulnerable.

Children condition adults.

Adolescent inebriety may be a deimatic display or, if persistent, Batesian mimicry.

For an adult, survival in a hostile environment requires camouflage, mimicry and crypsis.

Phonolocation, forced sneezes, face masks and nose picking, that is rhinotillexis, can be used to keep philistinism and pseudo-conversation at a distance.

Engagement before marriage is a period when camouflage, mimicry and crypsis can be explored.

Tennis players can choose the colours of their outfits with the colours of the court in mind; except at Wimbledon.