- http://www.biologicaldiversity.org/species/amphibians/Oregon_spotted_frog/index.html
- http://woodlandparkzblog.blogspot.com/2011/10/frogs-leap-to-recovery-in-washington.html
- http://wdfw.wa.gov/news/nov1709b/
- http://www.savethefrogs.com/amphibians/rana-pretiosa.html
- http://www.nwf.org/News-and-Magazines/National-Wildlife/Animals/Archives/2010/Most-Threatened-Frogs-US.aspx
- http://wdfw.wa.gov/news/nov1709b/
- http://ecos.fws.gov/speciesProfile/profile/speciesProfile.action?spcode=D02A
- http://news.mongabay.com/2009/0426-hance_savethefrogs.html
- http://www.biologicaldiversity.org/species/amphibians/Oregon_spotted_frog/index.html
- http://www.earthsendangered.com/list.asp#O
- http://www.iucnredlist.org/news/iucn-red-list-natures-early-warning-system
- http://www.iucnredlist.org/apps/redlist/details/19179/0
- http://amphibiaweb.org/cgi/amphib_query?query_src=aw_lists_soundInclude_&where-genus=Rana&where-species=pretiosa
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