>The interesting question is how they cluster in early winter when they are

> not yet up to the top.


I see a clear peak in the clusters.  The bees at the peak are oriented head
down, to either side they start to slant, heads toward the center.

IMHO, in the ideal wintering configuration, the cluster should barely reach
the top.


--
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com

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