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01 September 1968 Comments Editorials Hybrid Herring X Lesser Black-backed Gulls.--During 1968, on Skokholm, Pembrokeshire, about ten young were reared by mixed pairs of Herring Gulls Larus argentatus and Lesser Black-backed Gulls L. fuscus. These young, which resembled juvenile Lesser Black-...
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01 April 1958 Comments Editorials THE 1957 IRRUPTIONS OF TITS A N D OTHER SPECIES : INTERIM REPORT In view of the great interest in the irruptions of tits (Parus spp.) and certain other birds in the autumn of 1957 (antea, p. 130; and vol. L, pp. 495 and 542), we asked the organizers of th...
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