On TV at this time of year, we see a lot of reindeer, and we learn that during the winter it is mostly the females that keep their antlers.
This feature does not seem to be unique to reindeer though. Especially at supermarket checkouts, the operators, mostly ladies, are also sprouting antlers. But here is a remarkable observation which has just come my way from Taiwan, which illustrates this phenomenon most forcefully:
Merry Christmas, all!