When the male purple-spotted butterfly is caught, it can turn out a pair of expulsion glands at the end of its abdomen and immediately emit a foul odor, forcing natural enemies such as insectivorous birds to abandon it and avoid harm.
When the male purple-spotted butterfly is caught, it can turn out a pair of expulsion glands at the end of its abdomen and immediately emit a foul odor, forcing natural enemies such as insectivorous birds to abandon it and avoid harm.
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