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* The comparatively small winter cluster sets down near the flight entrance. | * The comparatively small winter cluster sets down near the flight entrance. | ||
* The size of the winter cluster is, on average, smaller than that of many other subspecies’. | * The size of the winter cluster is, on average, smaller than that of many other subspecies’. | ||
* The small and tight winter cluster can withstand high concentrations of | * The small and tight winter cluster can withstand high concentrations of Carbondioxide (CO₂). | ||
* The bees in the cluster can stand more mineral components in winter food than other subspecies (adaptation to a long winter and to Calluna honey in winter feed stores) | * The bees in the cluster can stand more mineral components in winter food than other subspecies (adaptation to a long winter and to Calluna honey in winter feed stores) | ||
* Nordic bees usually fly the cleansing flight later or even without being noticed in comparison to other subspecies. | * Nordic bees usually fly the cleansing flight later or even without being noticed in comparison to other subspecies. |