American herring gull (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "American herring gull" in English language version.

refsWebsite

Global rank English rank

1iucnredlist.org

88^th place

160^th place

2^nd place

2^nd place

6^th place

6^th place

14^th place

14^th place

low place

low place

332^nd place

246^th place

1allaboutbirds.org

6,096^th place

3,562^nd place

22^nd place

19^th place

low place

low place

allaboutbirds.org

"Herring Gull Sounds, All About Birds, Cornell Lab of Ornithology".

aou.org

checklist.aou.org

Larus argentatus, AOU checklist

archive.org

Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. pp. 219, 358. ISBN 978-1-4081-2501-4.

archive.today

Sangster, George; J. Martin Collinson; Alan G. Knox; David T. Parkin & Lars Svensson (2007). Taxonomic recommendations for British birds: 4th report, Ibis, 149 (4): 853-857.

cornell.edu

bna.birds.cornell.edu

Pierotti, R. J. & T. P. Good (1994). Herring Gull (Larus argentatus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology. Retrieved 31 October 2008. [Subscription required]

doi.org

BirdLife International (2019) [amended version of 2018 assessment]. "Larus smithsonianus". IUCN Red List of Threatened Species. 2019: e.T62030590A155596462. doi:10.2305/IUCN.UK.2018-2.RLTS.T62030590A155596462.en. Retrieved 12 November 2021.

iucnredlist.org

BirdLife International (2019) [amended version of 2018 assessment]. "Larus smithsonianus". IUCN Red List of Threatened Species. 2019: e.T62030590A155596462. doi:10.2305/IUCN.UK.2018-2.RLTS.T62030590A155596462.en. Retrieved 12 November 2021.

latimes.com

Sonja Barisic (Associated Press) (2001-04-22). "Biologist Cracks Case of Adaptive Bird Behavior". Los Angeles Times. Retrieved 2017-05-31.

mynorth.com

Smith, Jeff (9 May 2017). "The Science Behind Northport's Gull Island". MyNorth.com. Retrieved 8 September 2020.