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LC
Sanderling Calidris alba

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 57 g

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 1,260,000 medium
Extent of Occurrence non-breeding (km2) 10,200,000 medium
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals poor Estimated 2009
Population trend Unknown -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 8.1 - - -
Population justification: The global population is estimated to number c.620,000-700,000 individuals (Wetlands International, 2006), while national population estimates include: c.1,000-10,000 individuals on migration and c.1,000-10,000 wintering individuals in China; c.50-1,000 individuals on migration and c.50-1,000 wintering individuals in Taiwan; c.50-1,000 individuals on migration and c.50-1,000 wintering individuals in Korea; c.1,000-10,000 individuals on migration and c.50-10,000 wintering individuals in Japan and c.10,000-100,000 breeding pairs and c.1,000-10,000 individuals on migration in Russia (Brazil 2009).
Trend justification: The overall population trend is uncertain, as some populations are decreasing, while others are increasing, stable or have unknown trends (Wetlands International 2006). This species has had stable population trends over the last 40 years in North America (data from Breeding Bird Survey and/or Christmas Bird Count: Butcher and Niven 2007) Note, however, that these surveys cover less than 50% of the species's range in North America.

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage Resident
Afghanistan Native Extant     Yes  
Algeria Native Extant        
American Samoa Native Extant        
Angola Native Extant        
Anguilla (to UK) Native Extant        
Antigua and Barbuda Native Extant        
Argentina Native Extant        
Armenia Vagrant Extant        
Aruba (to Netherlands) Native Extant        
Australia Native Extant        
Austria Native Extant        
Azerbaijan Native Extant        
Bahamas Native Extant        
Bahrain Native Extant   Yes Yes  
Bangladesh Native Extant        
Barbados Native Extant        
Belarus Native Extant        
Belgium Native Extant   Yes    
Belize Native Extant   Yes    
Benin Native Extant   Yes    
Bermuda (to UK) Native Extant        
Bonaire, Sint Eustatius and Saba (to Netherlands) Native Extant        
Bosnia and Herzegovina Native Extant        
Botswana Native Extant        
Brazil Native Extant        
British Indian Ocean Territory Native Extant        
Brunei Native Extant        
Bulgaria Native Extant   Yes    
Burundi Native Extant        
Cameroon Native Extant        
Canada Native Extant Yes   Yes  
Cape Verde Native Extant        
Cayman Islands (to UK) Native Extant        
Central African Republic Native Extant        
Chad Native Extant        
Chile Native Extant        
China (mainland) Native Extant        
Christmas Island (to Australia) Native Extant        
Cocos (Keeling) Islands (to Australia) Native Extant        
Colombia Native Extant        
Comoros Native Extant        
Congo Native Extant        
Congo, The Democratic Republic of the Native Extant        
Costa Rica Native Extant   Yes    
Côte d'Ivoire Native Extant        
Croatia Native Extant     Yes  
Cuba Native Extant        
Curaçao (to Netherlands) Native Extant        
Cyprus Native Extant   Yes    
Czech Republic Native Extant        
Denmark Native Extant   Yes Yes  
Djibouti Native Extant        
Dominica Native Extant        
Dominican Republic Native Extant        
Ecuador Native Extant        
Egypt Native Extant        
El Salvador Native Extant        
Equatorial Guinea Native Extant        
Eritrea Native Extant        
Estonia Native Extant        
Ethiopia Native Extant        
Falkland Islands (Malvinas) Native Extant        
Faroe Islands (to Denmark) Native Extant   Yes    
Fiji Native Extant     Yes  
Finland Native Extant     Yes  
France Native Extant   Yes Yes  
French Guiana Native Extant        
French Polynesia Vagrant Extant        
French Southern Territories Vagrant Extant        
Gabon Native Extant        
Gambia Native Extant        
Georgia Native Extant        
Germany Native Extant   Yes Yes  
Ghana Native Extant        
Gibraltar (to UK) Vagrant Extant        
Greece Native Extant   Yes Yes  
Greenland (to Denmark) Native Extant Yes      
Grenada Native Extant        
Guadeloupe (to France) Native Extant   Yes    
Guam (to USA) Native Extant   Yes    
Guatemala Native Extant        
Guinea Native Extant        
Guinea-Bissau Native Extant        
Guyana Native Extant        
Haiti Native Extant        
Honduras Native Extant        
Hong Kong (China) Native Extant        
Hungary Native Extant        
Iceland Native Extant     Yes  
India Native Extant        
Indonesia Native Extant        
Iran, Islamic Republic of Native Extant   Yes Yes  
Iraq Native Extant     Yes  
Ireland Native Extant   Yes    
Israel Native Extant        
Italy Native Extant   Yes    
Jamaica Native Extant   Yes    
Japan Native Extant        
Jordan Vagrant Extant        
Kazakhstan Native Extant        
Kenya Native Extant        
Kiribati Native Extant        
Kuwait Native Extant   Yes Yes  
Kyrgyzstan Native Extant        
Laos Vagrant Extant        
Latvia Native Extant        
Lebanon Vagrant Extant     Yes  
Liberia Native Extant        
Libya Native Extant        
Liechtenstein Vagrant Extant        
Luxembourg Vagrant Extant        
Macedonia, the former Yugoslav Republic of Native Extant   Yes    
Madagascar Native Extant        
Malawi Native Extant        
Malaysia Native Extant        
Maldives Native Extant        
Mali Native Extant        
Malta Native Extant        
Marshall Islands Native Extant   Yes    
Martinique (to France) Native Extant        
Mauritania Native Extant        
Mauritius Native Extant        
Mayotte (to France) Native Extant        
Mexico Native Extant        
Micronesia, Federated States of Native Extant   Yes    
Mongolia Vagrant Extant        
Montenegro Native Extant   Yes    
Montserrat (to UK) Native Extant        
Morocco Native Extant        
Mozambique Native Extant        
Myanmar Native Extant        
Namibia Native Extant        
Nepal Native Extant        
Netherlands Native Extant   Yes    
New Caledonia (to France) Native Extant        
New Zealand Native Extant        
Nicaragua Native Extant        
Niger Vagrant Extant        
Nigeria Native Extant        
North Korea Native Extant        
Northern Mariana Islands (to USA) Native Extant   Yes    
Norway Native Extant     Yes  
Oman Native Extant   Yes Yes  
Pakistan Native Extant        
Palau Native Extant   Yes    
Palestinian Authority Territories Native Extant     Yes  
Panama Native Extant        
Papua New Guinea Native Extant        
Paraguay Native Extant        
Peru Native Extant        
Philippines Native Extant        
Poland Native Extant   Yes Yes  
Portugal Native Extant   Yes    
Puerto Rico (to USA) Native Extant        
Qatar Native Extant   Yes Yes  
Réunion (to France) Native Extant        
Romania Native Extant   Yes Yes  
Russia (Asian) Native Extant Yes      
Russia (Central Asian) Native Extant     Yes  
Russia (European) Native Extant Yes   Yes  
Rwanda Native Extant        
São Tomé e Príncipe Vagrant Extant        
Saudi Arabia Native Extant   Yes Yes  
Senegal Native Extant        
Serbia Native Extant   Yes    
Seychelles Native Extant        
Sierra Leone Native Extant        
Singapore Native Extant        
Sint Maarten (to Netherlands) Native Extant        
Slovakia Native Extant        
Slovenia Native Extant        
Solomon Islands Native Extant        
Somalia Native Extant        
South Africa Native Extant        
South Georgia & the South Sandwich Islands Vagrant Extant        
South Korea Native Extant        
South Sudan Native Extant     Yes  
Spain Native Extant   Yes Yes  
Sri Lanka Native Extant        
St Helena (to UK) Native Extant        
St Kitts and Nevis Native Extant        
St Lucia Native Extant        
St Martin (to France) Native Extant   Yes    
St Pierre and Miquelon (to France) Native Extant   Yes Yes  
St Vincent and the Grenadines Native Extant        
Sudan Native Extant        
Suriname Native Extant        
Svalbard and Jan Mayen Islands (to Norway) Native Extant Yes      
Swaziland Vagrant Extant        
Sweden Native Extant        
Switzerland Native Extant        
Syria Native Extant     Yes  
Taiwan (China) Native Extant        
Tajikistan Native Extant        
Tanzania Native Extant        
Thailand Native Extant        
Timor-Leste Native Extant   Yes Yes  
Togo Native Extant        
Trinidad and Tobago Native Extant        
Tunisia Native Extant        
Turkey Native Extant   Yes    
Turkmenistan Native Extant        
Turks and Caicos Islands (to UK) Native Extant        
Tuvalu Native Extant   Yes    
Uganda Native Extant        
Ukraine Native Extant     Yes  
United Arab Emirates Native Extant   Yes Yes  
United Kingdom Native Extant   Yes Yes  
United States Minor Outlying Islands (to USA) Native Extant     Yes  
Uruguay Native Extant   Yes    
USA Native Extant Yes      
Uzbekistan Native Extant        
Venezuela Native Extant        
Vietnam Native Extant        
Virgin Islands (to UK) Native Extant   Yes    
Virgin Islands (to USA) Native Extant   Yes    
Western Sahara Native Extant        
Yemen Native Extant   Yes Yes  
Zambia Native Extant        
Zimbabwe Native Extant        

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Argentina San Antonio Oeste site factsheet
Brazil Goiabal / Piratuba site factsheet
Brazil Parque Nacional da Lagoa do Peixe site factsheet
Canada Batture Batture aux Alouettes and mouth of Saguenay River site factsheet
Canada Blaine Lakes site factsheet
Canada Chaplin Lake site factsheet
Canada Chappice Lake site factsheet
Canada Gooseberry Lake site factsheet
Canada Manito Lake Area (includes Reflex, Freshwater, Wells, Colette and Cipher Lakes) site factsheet
Canada McIntyre Beach and Rose Spit site factsheet
Canada Metiskow and Sunken Lakes site factsheet
Canada Miquelon Lake site factsheet
Canada Old Wives-Frederick Lakes site factsheet
Canada Sounding Lake site factsheet
Chile Bio-bio Desembocadura site factsheet
Chile Desembocadura del Río Bío-Bío site factsheet
Chile Desembocadura del Río Lluta site factsheet
Chile Desembocadura del Río Maipo site factsheet
Chile Humedal-Marisma Rocuant Andalién site factsheet
Chile Santuario de las Aves Bahía de Caulín site factsheet
China (mainland) Eastern tidal flat of Nanhui site factsheet
Colombia Ciénaga Grande, Isla de Salamanca and Sabana Grande RAMSAR biosphere reserve site factsheet
Costa Rica Cahuita, Gandoca-Manzanillo and Migratory Bird Corridor site factsheet
Costa Rica Nicoya Gulf mangroves and coastal areas site factsheet
Costa Rica Pacuare, coastal wetlands and Migratory Bird Corridor site factsheet
Denmark Fanø site factsheet
Denmark Vadehavet (Wadden Sea) site factsheet
France Baie de Goulven site factsheet
France Estuaires picards : baies de Somme et d'Authie site factsheet
France Marais de la Baie d'Audierne site factsheet
Ghana Amansuri wetland site factsheet
Greenland (to Denmark) Hochstetter Forland site factsheet
Greenland (to Denmark) South coast of Germania Land, and Slaedelandet site factsheet
Greenland (to Denmark) Western part of Germania land site factsheet
Guinea-Bissau Arquipélago dos Bijagós site factsheet
Iceland Stafnes-Gardur site factsheet
Iran, Islamic Republic of Miankaleh Peninsula and Gorgan Bay site factsheet
Iran, Islamic Republic of South Caspian shore, from Astara to Gomishan site factsheet
Japan Anogawa and Shitomogawa estuaries, Toyotsuura site factsheet
Japan Banzu and Futtsu tidal flat site factsheet
Japan Inner Tokyo bay site factsheet
Japan Kahokugata, Takamatsu coast site factsheet
Japan Komaiko coast site factsheet
Japan Kujukuri coast site factsheet
Japan Tonegawa estuary, Hazaki coast site factsheet
Mauritania Banc d'Arguin National Park site factsheet
Morocco Baie d'Ad Dakhla site factsheet
Morocco Dakhla area site factsheet
Morocco Lagune de Khnifiss site factsheet
Morocco Plage Blanche - Ras Takoumba site factsheet
Mozambique Bazaruto Archipelago site factsheet
Namibia Sandwich Harbour site factsheet
Namibia Walvis Bay site factsheet
Oman Al Batinah coast site factsheet
Oman Barr al Hikman site factsheet
Oman Khawr Ghawi site factsheet
Sierra Leone Sierra Leone River Estuary site factsheet
South Africa West Coast National Park and Saldanha Bay islands site factsheet
South Korea Nakdong-gang estuary site factsheet
Spain Costa da Morte Norte site factsheet
Spain Ferrolterra-Valdoviño coast site factsheet
Ukraine Syvash Bay site factsheet
United Kingdom Ribble and Alt Estuaries site factsheet
United Kingdom South Westray Coast site factsheet
United Kingdom Swansea Bay - Blackpill site factsheet
United Kingdom The Wash site factsheet
United Kingdom The Wash site factsheet
Uruguay Barra del Chuy - La Coronilla site factsheet
USA Cape Hatteras National Seashore site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Grassland Tundra major breeding
Marine Intertidal Mud Flats and Salt Flats suitable non-breeding
Marine Intertidal Rocky Shoreline suitable non-breeding
Marine Intertidal Sandy Shoreline and/or Beaches, Sand Bars, Spits, Etc major non-breeding
Marine Intertidal Shingle and/or Pebble Shoreline and/or Beaches suitable non-breeding
Marine Intertidal Tidepools suitable non-breeding
Wetlands (inland) Permanent Freshwater Lakes (over 8ha) suitable non-breeding
Wetlands (inland) Permanent Saline, Brackish or Alkaline Lakes suitable non-breeding
Altitude 0 - 200 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

Utilisation

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

Recommended citation
BirdLife International (2014) Species factsheet: Calidris alba. Downloaded from http://www.birdlife.org on 20/09/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 20/09/2014.

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 Scolopacidae (Sandpipers, Snipes, Phalaropes)
Species name author (Pallas, 1764)
Population size mature individuals
Population trend Unknown
Distribution size (breeding/resident) 1,260,000 km2
Country endemic? No
Links to further information
- Summary information on this species