Tusks
are enlarged incisors. Baby elephants are born with milk tusks the
size of a human little finger. After a year, they are replaced by
permanent tusks. They grow throughout an elephant's life - four
inches a year for males; three inches for females. The two tusks are
usually of unequal shape and length.
In
African elephants, both sexes have tusks, although they're larger in
males. In Asian elephants, tusks are primarily found in males;
females either have no tusks or they're rudimentary.
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