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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Cliff-Breeding in the House-Martin

01 June 1939
Comments Main paper IN response to the editorial appeal (antea, Vol. XXXII, p, 118) for information on cliff-breeding in the House-Martin (Delichon u, urbica) a number of observers have sent in records. From these it is obvious that breeding under natural conditions is far m...
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