And now for something completely different….
I don’t often look at molluscs but these banded beauties caught my eye when I was walking across the Cardiff Bay Barrage earlier this week. I’m fairly sure they’re Cernuella virgata, Striped or Banded snails.
The presence of dark-on-light spiralling bands on their shells is one defining feature, as is their semi-spherical, rather than flat, shape, and the small open umbilicus. And they’re usually found on coastal sites, particularly in calcareous grassland, which fits the Barrage location.
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