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UK birds are laying eggs earlier

Author

Listed:
  • Humphrey Q. P. Crick

    (British Trust for Ornithology, The National Centre for Ornithology)

  • Caroline Dudley

    (British Trust for Ornithology, The National Centre for Ornithology)

  • David E. Glue

    (British Trust for Ornithology, The National Centre for Ornithology)

  • David L. Thomson

    (British Trust for Ornithology, The National Centre for Ornithology)

Abstract

The evidence for global climate change and for its underlying anthropogenic causes is gathering rapidly. Over the past 11 years the active growing season of plants has advanced by roughly 8 days in northern latitudes1. This evidence for increased photosynthetic activity is supported by the positive trend in the amplitude of the seasonal cycle in atmospheric CO2 (ref. 2). The phenology of animal populations should also be affected by climate change, but to date there has been little evidence of this. Here we report that long-term trends in the seasonal distributions of laying dates of birds in the United Kingdom show a tendency towards earlier laying, consistent with the changes reported in growing season.

Suggested Citation

  • Humphrey Q. P. Crick & Caroline Dudley & David E. Glue & David L. Thomson, 1997. "UK birds are laying eggs earlier," Nature, Nature, vol. 388(6642), pages 526-526, August.
    • Handle: RePEc:nat:nature:v:388:y:1997:i:6642:d:10.1038_41453
    DOI: 10.1038/41453
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    Cited by:

    1. DeGregorio, Brett A. & Westervelt, James D. & Weatherhead, Patrick J. & Sperry, Jinelle H., 2015. "Indirect effect of climate change: Shifts in ratsnake behavior alter intensity and timing of avian nest predation," Ecological Modelling, Elsevier, vol. 312(C), pages 239-246.

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