I built 2 top bar hives early this year...one for myself and one for my neighbor. We are going to do our 1st honey extraction in a couple of days, because both of our hives now have full combs on at least several top bars. The last couple weeks, however, I noticed that my neighbor's hive does not appear to be nearly as active as mine. There are some bees coming and going, but nothing like the activity in my hive. His hive is in quite a bit of shade and I am wondering if this can make some sort of difference.
Any advice out there on what could be wrong with his hive?