The Winter Moth is one of the few moth species that is active in its adult stage over the winter months, and it is able to cope with freezing temperatures.  The males and females look very different since the females only have short stubby wings and cannot fly.  To attract a mate, the female will crawl up a tree trunk and give off pheromones.  Great tits and blue tits feed their young on Winter Moth caterpillars and will time their breeding to coincide with the moth’s lifecycle.

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