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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01 April 1929
Comments Notes IN previous notes in British Birds on egg-daubing by the Jackdaw {Colceus m. spermologus) I can find no record of first and second layings of the same bird in the same season having been found bedaubed: so the following instance may be of interest. The f...
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