Letters

01 November 1992
Comments Letters Shell identification. May I respectfully point out that the bivalve shell attached to the bill of a Dunlin Calidris alpina in plate 111 is not a cockle Cardium, but looks very like a thick trough shell Spisula solida. This species has a much thick...
Read More

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now