What causes a skunk to smell?
A skunk itself has no more odor than any other mammal. The spray used in defense, that is so famous for
irritating smell, is produced by glands under the tail, which are voluntarily controlled by the skunk.
The spray is a sulphur compound in a thick, volatile, oily liquid. Interestingly, the liquid is
phosphorescent, that is, it glows in the dark.
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Update: June 2012