Two good sites for Swan info.

The Washington Swan Coalition - http://www.swansociety.org/index.html
They can be contacted by email at swaninfo at swansociety.org

WSC is a local affiliate of the Trumpeter Swan Society - http://www.taiga.net/swans/

Best Regards,

Kirk Scarbrough
Woodinville, WA
kscarbro at verizon.net