The Hamadryas is the only genus of butterflies capable of producing sounds to communicate with others of the same species.
The male normally stands upside down on tree trunks (perching) waiting to chase a female. If another Hamadryas approaches its territory, the male pursues it, producing a sequence of high- pitched clicking sounds with his wings. If the intruder is another male, they confront each other, and usually the resident male wins. If it is a female, the courtship begins.

origin: Central and South America

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