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LC
Thick-billed Guillemot Uria lomvia

IUCN Red List history

Year Category
2012 Least Concern
2009 Least Concern
2008 Least Concern
2004 Least Concern
2000 Lower Risk/Least Concern
1994 Lower Risk/Least Concern
1988 Lower Risk/Least Concern

Species attributes

Migratory status full migrant Forest dependency Does not normally occur in forest
Land mass type   Average mass -

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 2,250,000
Extent of Occurrence non-breeding (km2) 18,200,000
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals poor Estimated 2009
Population trend Increasing -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 14 - - -
Population justification: The global population is estimated to number > c.22,000,000 individuals (del Hoyo et al. 1996), while the population is Russia has been estimated at c.10,000-1 million breeding pairs (Brazil 2009).
Trend justification: The population trend is increasing in North America (based on BBS/CBC data: Butcher and Niven 2007).

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage
Austria Vagrant Extant      
Belgium Vagrant Extant      
Canada Native Extant      
Denmark Vagrant Extant      
Faroe Islands (to Denmark) Native Extant      
Finland Vagrant Extant      
France Vagrant Extant      
Germany Vagrant Extant   Yes  
Greenland (to Denmark) Native Extant      
Iceland Native Extant      
Ireland Vagrant Extant      
Japan Native Extant      
Latvia Vagrant Extant      
Netherlands Vagrant Extant      
Norway Native Extant Yes    
Poland Vagrant Extant      
Portugal Vagrant Extant      
Romania Vagrant Extant      
Russia (Asian) Native Extant Yes    
Russia (Central Asian) Native Extant      
Russia (European) Native Extant Yes    
Spain Vagrant Extant      
St Pierre and Miquelon (to France) Native Extant   Yes  
Svalbard and Jan Mayen Islands (to Norway) Native Extant Yes    
Sweden Vagrant Extant      
United Kingdom Vagrant Extant      
USA Native Extant Yes    

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Canada Akpatok Island site factsheet
Canada Cambridge Point site factsheet
Canada Cape Graham Moore site factsheet
Canada Coats Island/Cape Pembroke site factsheet
Canada Digges Sound site factsheet
Canada Hantzsch Island site factsheet
Canada Prince Leopold Island site factsheet
Canada Reid Bay site factsheet
Canada Southwest Bylot site factsheet
Greenland (to Denmark) Apparsuit (Kap Shackleton) and Kippaku site factsheet
Greenland (to Denmark) Appat Appai site factsheet
Greenland (to Denmark) Carey islands site factsheet
Greenland (to Denmark) Hakluyt island site factsheet
Greenland (to Denmark) Islands and waters south and west of Upernavik town site factsheet
Greenland (to Denmark) Kitsissut Avalliit (Ydre Kitsissut) site factsheet
Greenland (to Denmark) Parker Snow Bay site factsheet
Greenland (to Denmark) Saunders island site factsheet
Greenland (to Denmark) Sermilinnguaq site factsheet
Greenland (to Denmark) Taateraat in Evighedsfjorden site factsheet
Iceland Hælavíkurbjarg site factsheet
Iceland Látrabjarg site factsheet
Russia (Asian) Bogoslova island site factsheet
Russia (Asian) Iony island site factsheet
Russia (Asian) Tyuleniy island site factsheet
Russia (Asian) Vasiliya islands site factsheet
Russia (European) Bezymyannaya and Gribovaya Bays and adjoining waters site factsheet
Svalbard and Jan Mayen Islands (to Norway) Bjørnøya (Bear Island) site factsheet
Svalbard and Jan Mayen Islands (to Norway) Hopen island site factsheet
Svalbard and Jan Mayen Islands (to Norway) Jan Mayen island site factsheet
Svalbard and Jan Mayen Islands (to Norway) South Spitsbergen National Park site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Marine Coastal/Supratidal Sea Cliffs and Rocky Offshore Islands major breeding
Marine Neritic Macroalgal/Kelp major breeding
Marine Neritic Macroalgal/Kelp major non-breeding
Marine Neritic Pelagic major breeding
Marine Neritic Pelagic major non-breeding
Marine Neritic Seagrass (Submerged) major breeding
Marine Neritic Seagrass (Submerged) major non-breeding
Marine Neritic Subtidal Loose Rock/pebble/gravel major breeding
Marine Neritic Subtidal Loose Rock/pebble/gravel major non-breeding
Marine Neritic Subtidal Rock and Rocky Reefs major breeding
Marine Neritic Subtidal Rock and Rocky Reefs major non-breeding
Marine Neritic Subtidal Sandy major breeding
Marine Neritic Subtidal Sandy major non-breeding
Marine Neritic Subtidal Sandy-Mud major breeding
Marine Neritic Subtidal Sandy-Mud major non-breeding
Marine Oceanic Epipelagic (0-200m) suitable breeding
Marine Oceanic Epipelagic (0-200m) suitable non-breeding
Marine Oceanic Mesopelagic (200-1000m) suitable breeding
Marine Oceanic Mesopelagic (200-1000m) suitable non-breeding
Altitude 0 - 0 m Occasional altitudinal limits  

Threats & impact

Threat (level 1) Threat (level 2) Impact and Stresses
Climate change & severe weather Habitat shifting & alteration Timing Scope Severity Impact
Future Whole (>90%) Unknown Unknown
Stresses
Indirect ecosystem effects, Ecosystem degradation
Climate change & severe weather Temperature extremes Timing Scope Severity Impact
Ongoing Unknown Unknown Unknown
Stresses
Reduced reproductive success, Species mortality

Utilisation

Purpose Primary form used Life stage used Source Scale Level Timing
Food (human) Whole Adults and juveniles Wild Subsistence, National Non-trivial Recent
Food (human) Whole Eggs Wild Subsistence, National Non-trivial Recent
Pets Whole Adults and juveniles Wild International Non-trivial Recent

Recommended citation
BirdLife International (2014) Species factsheet: Uria lomvia. Downloaded from http://www.birdlife.org on 16/04/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 16/04/2014.

This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.

To provide new information to update this factsheet or to correct any errors, please email BirdLife

To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.

Key facts
Current IUCN Red List category Least Concern
Family Alcidae (Auks)
Species name author (Linnaeus, 1758)
Population size mature individuals
Population trend Increasing
Distribution size (breeding/resident) 2,250,000 km2
Country endemic? No
Links to further information
- Summary information on this species