Larus thayeri wildspecies.ca

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Not Present

The General Status ranks do not have legal weight. They are meant to identify the species that may be at risk in Canada.

Access other data on this species on the NatureServe Explorer.

Common Names

English common name:

French common name:

Year	English common name	French common name
2000	Thayer's Gull	Goéland de Thayer
2005	Thayer's Gull	Goéland de Thayer
2010	Thayer's Gull	Goéland de Thayer
2015	Thayer's Gull	Goéland de Thayer
2020	Thayer's Gull	Goéland de Thayer

Scientific Names

Higher Classification:

Year	Scientific name	Family	Order
2000	Larus thayeri	Laridae	Charadriiformes
2005	Larus thayeri	Laridae	Charadriiformes
2010	Larus thayeri	Laridae	Charadriiformes
2015	Larus thayeri	Laridae	Charadriiformes
2020	Larus thayeri

Priority Score

This species is not designated as may be at risk

Trends in rounded national ranks

Year	Rounded National Rank	Description of the change	Reason for change	Notes
2000	Apparently Secure
2005	Apparently Secure
2010	Vulnerable	Increased level of risk.	Biological change in the population size, distribution, or threats of the species.
2015	Apparently Secure	Reduced level of risk.	Improved knowledge of the species.	More abundant than previously thought
2020		Deleted species.	Taxonomic level change only.	Now included in Larus glaucoides

Original Ranks:

Canada
2000	Secure - 4
2005	Secure - 4
2010	Sensitive - 3
2015	Apparently Secure - N4N5B,N5N,N5M
2020	Not Present

Yukon
2000	Sensitive - 3
2005	Secure - 4
2010	Accidental - 8
2015	Apparently Secure - S4M
2020	Not Present

Northwest Territories
2000	Secure - 4
2005	Secure - 4
2010	Secure - 4
2015	Vulnerable - S3B,S3M
2020	Not Present

Nunavut
2000	Not Assessed - 6
2005	Secure - 4
2010	Sensitive - 3
2015	Apparently Secure - S4S5B,S4S5M
2020	Not Present

British Columbia
2000	Secure - 4
2005	Secure - 4
2010	Secure - 4
2015	Secure - S5N,S5M
2020	Not Present

Alberta
2000	Secure - 4
2005	Secure - 4
2010	Secure - 4
2015	Not Applicable - SNA
2020	Not Present

Saskatchewan
2000	Accidental - 8
2005	Accidental - 8
2010	Accidental - 8
2015	Not Applicable - SNA
2020	Not Present

Manitoba
2000	Secure - 4
2005	Secure - 4
2010	Secure - 4
2015	Not Applicable - SNA
2020	Not Present

Ontario
2000	Undetermined - 5
2005	Secure - 4
2010	Secure - 4
2015	Unranked - SNRM
2020	Not Present

Quebec
2000	Accidental - 8
2005	Accidental - 8
2010	Accidental - 8
2015	Not Applicable - SNA
2020	Not Present

New Brunswick
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Nova Scotia
2000	Accidental - 8
2005	Accidental - 8
2010	Secure - 4
2015	Not Applicable - SNA
2020	Not Present

Prince Edward Island
2000	Accidental - 8
2005	Accidental - 8
2010	Accidental - 8
2015	Not Applicable - SNA
2020	Not Present

Newfoundland and Labrador
2000	Accidental - 8
2005	Accidental - 8
2010	Accidental - 8
2015
2020

Labrador
2000
2005
2010
2015	Not Present
2020	Not Present

Newfoundland
2000
2005
2010
2015	Not Applicable - SNA
2020	Not Present

Pacific Ocean
2000	Not Present
2005	Not Present
2010	Not Present
2015	Secure - S5N,S5M
2020	Not Present

Western Arctic Ocean
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Eastern Arctic Ocean
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Atlantic Ocean
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Applicable - SNA
2020	Not Present