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

Letters

01 December 1955 Comments Letters Further remarks on discoloration in House Sparrows Sirs,--The observations of C. J. O. Harrison (Brit. Birds, 56: 296-297) on 'industrial' discoloration in House Sparrows (Passer domesticus) and other birds prompt us to record information on an allied pro...
Read More

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

Subscribe Now