Holes in Peat & Clay at Broughton 5 – Piddock burrow (with empty shells in situ) in marine clay washed free of overlying sand at Broughton Bay in Gower, South Wales, 14 August 2008.
https://natureinfocus.blog
Holes in Peat & Clay at Broughton 5 – Piddock burrow (with empty shells in situ) in marine clay washed free of overlying sand at Broughton Bay in Gower, South Wales, 14 August 2008.