Bird Population Changes for the Years 1971–72 |
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Authors: | L A Batten |
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Institution: | Populations Section , British Trust for Ornithology , Beech Grove, Tring , HP23 5NR , Hertfordshire |
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Abstract: | Notable increases in the population levels of Wren, Goldcrest and Redpoll were recorded by the Common Birds Census in 1971–72; however, Corn Bunting and Jackdaw showed a decline. Among summer visitors several West African wintering birds remain at a much reduced level. |
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