Sign of Colony alive in Frost

With an air temperature of -5 Celsius it was good to see signs that the colonies in a couple of hives are still strong.

The first picture below shows the frost melted on the hive roof, this is due to the heat rising from the colony cluster within. This is a good indication that that the colony is OK, but the converse is not the case.

The second picture does not exhibit the same feature, we know that this colony had good stores and was stronger than the other going into the winter so we do not have to be concerned yet.


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