Birds are important constituents of any ecosystem. But they are also valuable monitors of environmental conditions — if their populations begin to decline, we need to know why.
This is a preview of subscription content, access via your institution
Access options
Subscribe to this journal
Receive 51 print issues and online access
$199.00 per year
only $3.90 per issue
Buy this article
- Purchase on Springer Link
- Instant access to full article PDF
Prices may be subject to local taxes which are calculated during checkout
MIKE WILKES/BBC NATURAL HISTORY UNIT
References
Hagenmeijer, W. J. M. & Blair, M. J. The EBCC Atlas of European Breeding Birds (Poyser, London, 1997).
Møller, A. P. J. Appl. Ecol. 38, 378–389 (2001).
Musters, C. J. M., Kruk, M., de Graaf, H. J. & ter Keurs, W. J. Conserv. Biol. 15, 363–369 (2001).
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Moore, P. Dairy declines hard to swallow. Nature 411, 904–905 (2001). https://doi.org/10.1038/35082185
Issue Date:
DOI: https://doi.org/10.1038/35082185
