Bullfinch  (Pyrrhula pyrrhula)

Authentication

Information authenticated by the RSPB:
http://www.rspb.org.uk/

References

  1. UNEP-WCMC (November 2001)
    www.unep-wcmc.org
  2. Peterson, R.T., Mountfort, G., Hollom. (1993) Collins Field Guide. Birds of Britain and Europe. Harper Collins, London.
  3. RSPB (November 2001)
    http://www.rspb.org.uk
  4. UK Biodiversity (November 2001)
    http://www.ukbap.org.uk