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Scientific Correspondence

Nature 391, 30-31 (1 January 1998) | doi:10.1038/34073

...temperature and egg-laying trends

R. H. McCleery1 & C. M. Perrins1

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Crick et al.1 showed that the laying dates for many British birds have become earlier during 1971-95, which they ascribe to warmer springs resulting from global warming. We provide partial support for this view from a great tit population in Oxfordshire.