Thayer's Gull

Larus thayeri

Species code GS000944

General Status in Canada

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:

YearEnglish common name French common name
2000Thayer's GullGoéland de Thayer
2005Thayer's GullGoéland de Thayer
2010Thayer's GullGoéland de Thayer
2015Thayer's GullGoéland de Thayer
2020Thayer's GullGoéland de Thayer

Scientific Names


Higher Classification:

YearScientific nameFamilyOrder
2000Larus thayeriLaridaeCharadriiformes
2005Larus thayeriLaridaeCharadriiformes
2010Larus thayeriLaridaeCharadriiformes
2015Larus thayeriLaridaeCharadriiformes
2020Larus thayeri

Priority Score


This species is not designated as may be at risk

Trends in rounded national ranks


YearRounded National RankDescription of the changeReason for changeNotes
2000Apparently Secure
2005Apparently Secure
2010VulnerableIncreased level of risk.Biological change in the population size, distribution, or threats of the species.
2015Apparently SecureReduced level of risk.Improved knowledge of the species.More abundant than previously thought
2020Deleted species.Taxonomic level change only.Now included in Larus glaucoides

Original Ranks:


Canada
2000Secure - 4
2005Secure - 4
2010Sensitive - 3
2015Apparently Secure - N4N5B,N5N,N5M
2020Not Present
Yukon
2000Sensitive - 3
2005Secure - 4
2010Accidental - 8
2015Apparently Secure - S4M
2020Not Present
Northwest Territories
2000Secure - 4
2005Secure - 4
2010Secure - 4
2015Vulnerable - S3B,S3M
2020Not Present
Nunavut
2000Not Assessed - 6
2005Secure - 4
2010Sensitive - 3
2015Apparently Secure - S4S5B,S4S5M
2020Not Present
British Columbia
2000Secure - 4
2005Secure - 4
2010Secure - 4
2015Secure - S5N,S5M
2020Not Present
Alberta
2000Secure - 4
2005Secure - 4
2010Secure - 4
2015Not Applicable - SNA
2020Not Present
Saskatchewan
2000Accidental - 8
2005Accidental - 8
2010Accidental - 8
2015Not Applicable - SNA
2020Not Present
Manitoba
2000Secure - 4
2005Secure - 4
2010Secure - 4
2015Not Applicable - SNA
2020Not Present
Ontario
2000Undetermined - 5
2005Secure - 4
2010Secure - 4
2015Unranked - SNRM
2020Not Present
Quebec
2000Accidental - 8
2005Accidental - 8
2010Accidental - 8
2015Not Applicable - SNA
2020Not Present
New Brunswick
2000Not Present
2005Not Present
2010Not Present
2015Not Present
2020Not Present
Nova Scotia
2000Accidental - 8
2005Accidental - 8
2010Secure - 4
2015Not Applicable - SNA
2020Not Present
Prince Edward Island
2000Accidental - 8
2005Accidental - 8
2010Accidental - 8
2015Not Applicable - SNA
2020Not Present
Newfoundland and Labrador
2000Accidental - 8
2005Accidental - 8
2010Accidental - 8
2015
2020
Labrador
2000
2005
2010
2015Not Present
2020Not Present
Newfoundland
2000
2005
2010
2015Not Applicable - SNA
2020Not Present
Pacific Ocean
2000Not Present
2005Not Present
2010Not Present
2015Secure - S5N,S5M
2020Not Present
Western Arctic Ocean
2000Not Present
2005Not Present
2010Not Present
2015Not Present
2020Not Present
Eastern Arctic Ocean
2000Not Present
2005Not Present
2010Not Present
2015Not Present
2020Not Present
Atlantic Ocean
2000Not Present
2005Not Present
2010Not Present
2015Not Applicable - SNA
2020Not Present