Having a sunbathe on a old tree stump, while nearby a blackbird did the same thing in the grass
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I didn't realise that birds did this until a couple of years ago. Since then, I've seen several species catching some rays. Sometimes they fluff up their feathers, presumably to let the warmth penetrate. And who can blame them?
Lat/Lng: 51.6128, -3.9816
OS grid ref: SS628923