First butterfly of the year

I was making lunch when I spotted this beautiful red admiral butterfly on the purple crocuses on our rockery.  It appeared to be feeding, but I did not want to get too close to check incase I disturbed it.

Interestingly it appeared to take no notice of the yellow crocuses. Once only a summer migrant, it has been believed for some time now that a small population now manage to overwinter. It is early sightings like this one that has led to this conclusion.