Cygne trompette (French Wikipedia)

Analysis of information sources in references of the Wikipedia article "Cygne trompette" in French language version.

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1herald-journal.com

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fs.fed.us

Squires J.R & Anderson S.H (1997) Changes in Trumpeter Swan (Cygnus buccinator) activities from winter to spring in the Greater Yellowstone area. American Midland Naturalist, 208-214.

gov.on.ca

mnr.gov.on.ca

Ontario Ministry of Natural Resources (OMNR) September 27, 2002. Vulnerable, Threatened, Endangered, Extirpated, or Extinct Species of Ontario

herald-journal.com

herald-journa

state.mn.us

dnr.state.mn.us

Cygnus buccinator ; Richardson, 1831 (Minnesota Department of Natural Resources)

taiga.net

The Trumpeter Swan Society (TTSS). November 1998. Trumpeter Swan: North America Range Map

uoguelph.ca

ovc.uoguelph.ca

Wild Bird Clinic (WBC). 2003. Lead Poisoning. University of Guelph.

uwaterloo.ca

fes.uwaterloo.ca

Nick Bartok ; Wye Marsh Trumpeter Swan Population : A Database Analysis ERS 490B Rapport final, Mai 2003

wyemarsh.com

Fast Facts on Trumpeter Swans. Friends of Wye Marsh Inc., Wye Marsh Wildlife Centre. 2003
page intitulée A single swan can make a difference, par by Harry G. Lumsden, du Wildlife Wye Marsh center (Ontario) ; Consultée 2010/05/30
Page relative aux programmes de réintroduction du cygne trompette sur les marais "Wye marsh", consultée 2010 05 30