It was a sunny morning when I left Exeter yesterday to go to Dartmoor but as the afternoon progressed it clouded over and eventually broke into heavy rain. I was therefore quite lucky to find what I went to Dartmoor to see.

A Marsh Fritillary sunning itself as the sun broke through the clouds momentarily

In total I saw 6 Marsh Fritillaries in the rhos pastures at Challacombe

If you look carefully individual butterflies are all subtly different in their markings

Marsh Fritillaries are now a very rare species but do flourish in a few selected locations on Dartmoor (and elsewhere)

I also found a couple of Small Pearl-bordered Fritillaries – another rare and declining species for which Dartmoor is another stronghold

Just before the heavy rain arrived I found this individual

Amazing details and colours in the wings

Here is a shot of a Pearl-bordered Fritillary I photographed a few years ago at Hembury Woods