Wikipedia:Good articles/Mimicry

In biology, mimicry is when a species evolves features similar to another. Either one or both are protected when a third species cannot tell them apart. Often, these features are visual; one species looks like another; but similarities of sound, smell and behaviour may also make the fraud seem more real. Mimicry is related to camouflage, and to warning signals, in which species manipulate or deceive other species which might do them harm.