Our honeybees in early March. My girls have been out foraging on willow and hazel pollen since February, and they're finding nectar somewhere as well. Pollen feeds the babies and nectar gets turned into honey. They won't bring home pollen unless there are babies to feed, or at least eggs being laid. So, it's a good indicator that there are queens in the hives, without having to pull out all the frames and examine them on chilly days.
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