Bewick’s swan  (Cygnus columbianus bewickii)

Authentication

This information is awaiting authentication by a species expert, and will be updated as soon as possible. If you are able to help please contact: arkive@wildscreen.org.uk

Glossary

  • Subspecies: a population usually restricted to a geographical area that differs from other populations of the same species, but not to the extent of being classified as a separate species.

References

  1. National Biodiversity Network Species Dictionary (January, 2004)
    http://www.nhm.ac.uk/nbn
  2. Mullarney, K., Svensson, L., Zetterström, D. and Grant, P.J. (1999) Collins Bird Guide.HarperCollins Publishers Ltd, London.
  3. RSPB A-Z of Birds: Bewick’s swan (February, 2004)
    http://www.rspb.org.uk/birds/guide/b/bewicksswan/index.asp
  4. JNCC Special Protection Areas for Bewick’s swan (February, 2004)
    http://www.jncc.gov.uk/UKSPA/Species/accounts/A6-15.pdf
  5. Greenoak, F. (1979) All the birds of the air.Book Club Associates, London.
  6. Holden, P. and Sharrock, J.T.R. (2002) The RSPB Guide to British Birds.Pan Macmillan, London.
  7. Lack, P. (1986) The Atlas of wintering birds in Britain and Ireland.T & A D Poyser Ltd, London.
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