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Antlers, the boney structures deer, elk and moose, produce anew each summer are a reason why so many people admire Wisconsin's white-tailed deer.  In general, only the males produce a set of antlers each summer and then drop them during the winter.  A few females do the same, but losing their antlers or even the velvet from the antlers, are less regular.

Antlers are among the fastest growing tissue in mammals, sometimes adding a quarter inch of new length on each of the growing tips every day.  These head adornments appear and are largest when they are growing because they are covered wi...