قوی شیپورچی (Persian Wikipedia)

Analysis of information sources in references of the Wikipedia article "قوی شیپورچی" in Persian language version.

refsWebsite

Global rank Persian rank

1iucnredlist.org

88^th place

166^th place

1web.archive.org

1^st place

1^st place

3,088^th place

4,455^th place

1britannica.com

40^th place

28^th place

britannica.com

"trumpeter swan" (به انگلیسی). Encyclopædia Britannica. Retrieved 4 August 2013.

iucnredlist.org

BirdLife International 2012, Cygnus columbianus (به انگلیسی), IUCN Red List of Threatened Species 2012

web.archive.org

Winter Visitors Arrive Trumpeter Swans again feeding in the fields (به انگلیسی), Washington State University Beach Watchers, archived from the original on 28 June 2011, retrieved 4 August 2012

wsu.edu

beachwatchers.wsu.edu

Winter Visitors Arrive Trumpeter Swans again feeding in the fields (به انگلیسی), Washington State University Beach Watchers, archived from the original on 28 June 2011, retrieved 4 August 2012