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n. An annual period of heightened aggressiveness and sexual activity in male elephants, during which violent frenzies occur.

n. A time during which male elephants exhibit increased levels of sexual activity and aggressiveness.

n. an annual phase of heightened sexual excitement in the males of certain large mammals (especially elephants); is associated with discharge from a gland between the eye and ear

"The exact chemical blend of a pheromone emitted by older male elephants in musth influences both a female elephant's interest in mating and how other surrounding elephants behave, a new study has found."

stage    phase