As an example of how food-supply can affect the number of birds breeding in a locality the following may be of interest. When I first came to Benenden, Kent, about twenty years ago, so far as I know Hawfinches (Coccothraustes c. coccothraustes) never nested in this garden. As my extensive collection of Japanese and other species of cherries (I possess about 500 specimens) gradually came into bear...
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