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LC
Black Skimmer Rynchops niger

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) 13,800,000 medium
Extent of Occurrence non-breeding (km2) 14,200,000 medium
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals poor Estimated 2009
Population trend Decreasing -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 11.5 - - -
Trend justification: The overall population trend is decreasing, although some populations may be stable and others have unknown trends (Wetlands International 2006). The population trend is decreasing in North America (based on BBS/CBC data: Butcher and Niven 2007).

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage Resident
Antigua and Barbuda Native Extant        
Argentina Native Extant        
Aruba (to Netherlands) Native Extant        
Bahamas Native Extant        
Barbados Native Extant        
Belize Native Extant   Yes    
Bermuda (to UK) Vagrant Extant     Yes  
Bolivia Native Extant        
Bonaire, Sint Eustatius and Saba (to Netherlands) Native Extant        
Brazil Native Extant        
Canada Vagrant Extant        
Cayman Islands (to UK) Native Extant        
Chile Native Extant        
Colombia Native Extant        
Costa Rica Native Extant   Yes    
Cuba Native Extant        
Curaçao (to Netherlands) Native Extant        
Dominica Native Extant        
Dominican Republic Native Extant        
Ecuador Native Extant        
El Salvador Native Extant        
French Guiana Native Extant        
Grenada Vagrant Extant        
Guadeloupe (to France) Native Extant        
Guatemala Native Extant        
Guyana Native Extant        
Haiti Native Extant        
Honduras Native Extant        
Jamaica Vagrant Extant        
Martinique (to France) Native Extant        
Mexico Native Extant        
Montserrat (to UK) Native Extant        
Nicaragua Native Extant        
Panama Native Extant        
Paraguay Native Extant        
Peru Native Extant        
Puerto Rico (to USA) Native Extant        
Sint Maarten (to Netherlands) Native Extant        
St Kitts and Nevis Native Extant        
St Lucia Native Extant        
St Vincent and the Grenadines Native Extant        
Suriname Native Extant        
Trinidad and Tobago Native Extant        
Turks and Caicos Islands (to UK) Native Extant        
Uruguay Native Extant Yes      
USA Native Extant Yes      
Venezuela Native Extant        
Virgin Islands (to UK) Vagrant Extant        
Virgin Islands (to USA) Vagrant Extant        

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Argentina Bahía de Samborombón y Punta Rasa site factsheet
Argentina Reserva de Biosfera Albufera de Mar Chiquita site factsheet
Chile Bio-bio Desembocadura site factsheet
Chile Desembocadura del Río Bío-Bío site factsheet
Chile Desembocadura del Río Itata site factsheet
Chile Desembocadura del Río Maipo site factsheet
Chile Desembocadura Río Mataquito site factsheet
Chile Humedal-Estuario Tubul-Raqui site factsheet
Chile Lago Budi site factsheet
Trinidad and Tobago West Coast Mudflats site factsheet
USA Barrier Island/Lagoon System site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Marine Coastal/Supratidal Coastal Brackish/Saline Lagoons/Marine Lakes suitable breeding
Marine Coastal/Supratidal Coastal Brackish/Saline Lagoons/Marine Lakes suitable non-breeding
Marine Coastal/Supratidal Coastal Freshwater Lakes suitable breeding
Marine Coastal/Supratidal Coastal Freshwater Lakes suitable non-breeding
Marine Intertidal Mud Flats and Salt Flats suitable breeding
Marine Intertidal Mud Flats and Salt Flats suitable non-breeding
Marine Intertidal Salt Marshes (Emergent Grasses) suitable breeding
Marine Intertidal Salt Marshes (Emergent Grasses) suitable non-breeding
Marine Intertidal Sandy Shoreline and/or Beaches, Sand Bars, Spits, Etc major 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 major breeding
Marine Intertidal Shingle and/or Pebble Shoreline and/or Beaches major non-breeding
Marine Neritic Estuaries suitable breeding
Marine Neritic Estuaries suitable non-breeding
Marine Neritic Macroalgal/Kelp major breeding
Marine Neritic Macroalgal/Kelp 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
Wetlands (inland) Permanent Rivers/Streams/Creeks (includes waterfalls) major breeding
Altitude 0 - 600 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2014) Species factsheet: Rynchops niger. Downloaded from http://www.birdlife.org on 02/10/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 02/10/2014.

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 Laridae (Gulls, Terns, Skimmers)
Species name author Linnaeus, 1758
Population size mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 13,800,000 km2
Country endemic? No
Links to further information
- Summary information on this species