Williamson's sapsucker (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Williamson's sapsucker" in English language version.

refsWebsite

Global rank English rank

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

1allaboutbirds.org

6,096^th place

3,562^nd place

1sararegistry.gc.ca

low place

low place

allaboutbirds.org

"Williamson's Sapsucker Identification, All About Birds, Cornell Lab of Ornithology". www.allaboutbirds.org. Retrieved 2020-09-26.

doi.org

BirdLife International (2016). "Sphyrapicus thyroideus". IUCN Red List of Threatened Species. 2016: e.T22680877A92884201. doi:10.2305/IUCN.UK.2016-3.RLTS.T22680877A92884201.en. Retrieved 12 November 2021.

iucnredlist.org

BirdLife International (2016). "Sphyrapicus thyroideus". IUCN Red List of Threatened Species. 2016: e.T22680877A92884201. doi:10.2305/IUCN.UK.2016-3.RLTS.T22680877A92884201.en. Retrieved 12 November 2021.

sararegistry.gc.ca

"COSEWIC ANNUAL REPORT 2005" (PDF). www.sararegistry.gc.ca.