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...
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Letters

01 December 1974
Comments Letters Eye colour of the Hen Harrier D. I. M. Wallace's remarks (Brit. Birds, 65:358-359) on the eye colour of an immature of the American subspecies of the Hen Harrier Circus cyaneus hudsonius at Cley, Norfolk (see Brit. Birds, 64: 537-542), were confusing a...
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