This is my first Winter with bees. I have two hives. Here is a bit of info on my situation. One went into late Fall very strong and one very weak. Strong hive had a full deep of capped honey (and a partial deep of capped honey, the other part being brood). Weak hive had about 5 frames of capped honey in the upper deep and a few frames in the lower deep. Strong hive faces east. Weak hive faces south. I have a top feeder on my weak hive (both experienced local beekeepers that I pepper with questions said they have never put sugar on their weak hives, but instead just put syrup on them through the Winter, so this is what I have done, as opposed to the other method that I see posted here.) I am not feeding my strong hive (did put some pollen sub on them yesterday, however.) There appears to be several feral hives in the area. I have had about 4 weeks of weather that tops out only in the upper 30's. Yesterday, it popped up into the 50's and the bees got out. Oddly, my weakest hive was the most active. Bees were everywhere. I even took pictures of some coming in with pollen on their hind legs (some gray stuff.) It 'could' have been off of my camelias, but I really doubt it (never saw a bee on these flowers.) Regardless, I initially figured the bees were doing their training flight/orientation. But, the sheer amount of activity has me worried. Do bees rob in the winter? There was no fighting going on, but maybe the thieves had already killed all of the guards?