FOR some seven years I have marked Chaffinches (Fringilla c. gengleri) frequenting my garden with coloured rings for identification. One pair so marked mated and fed young in a copse opposite my gate in June, 1937. In the spring of 1938 the same pair nested in a holly just outside my garden and bi ought off their brood. In June of that year the same pair again mated and nested in the wisteria on ...

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