Data Zone
Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
del Hoyo, J.; Collar, N. J.; Christie, D. A.; Elliott, A.; Fishpool, L. D. C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Barcelona, Spain and Cambridge UK: Lynx Edicions and BirdLife International.
SACC. 2006. A classification of the bird species of South America. Available at: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.html#.
SACC. 2006. A classification of the bird species of South America. Available at: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.htm#.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2016 | Least Concern | |
| 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 |
| Migratory status | full migrant | Forest dependency | Does not normally occur in forest |
| Land mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence breeding/resident (km2) | 43,700,000 | medium |
| Extent of Occurrence non-breeding (km2) | 41,100,000 | medium |
| Number of locations | - | |
| Severely Fragmented | - |
| Value | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| No. of mature individuals | poor | estimated | 2009 | |
| Population trend | Decreasing | suspected | - | |
| Decline (3 years/1 generation past) | - | - | - | |
| Decline (5 years/1 generation past) | - | - | - | |
| Decline (10 years/1 generation past) | - | - | - | |
| Decline (10 years/3 generation future) | - | - | - | |
| Decline (10 years/3 generation past and future) | - | - | - | |
| Number of subpopulations | - | - | - | |
| Percentage in 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 | Occurrence status | Presence | Resident | Breeding | Non-breeding | Passage |
|---|---|---|---|---|---|---|
| Antigua and Barbuda | N | Extant | ||||
| Argentina | N | Extant | ||||
| Aruba (to Netherlands) | N | Extant | ||||
| Bahamas | N | Extant | ||||
| Barbados | N | Extant | ||||
| Belize | N | Extant | Yes | |||
| Bermuda (to UK) | V | Extant | Yes | |||
| Bolivia | N | Extant | ||||
| Bonaire, Sint Eustatius and Saba (to Netherlands) | N | Extant | ||||
| Brazil | N | Extant | ||||
| Canada | V | Extant | ||||
| Cayman Islands (to UK) | N | Extant | ||||
| Chile | N | Extant | ||||
| Colombia | N | Extant | ||||
| Costa Rica | N | Extant | Yes | |||
| Cuba | N | Extant | ||||
| Curaçao (to Netherlands) | N | Extant | ||||
| Dominica | N | Extant | ||||
| Dominican Republic | N | Extant | ||||
| Ecuador | N | Extant | ||||
| El Salvador | N | Extant | ||||
| French Guiana | N | Extant | ||||
| Grenada | V | Extant | ||||
| Guadeloupe (to France) | N | Extant | ||||
| Guatemala | N | Extant | ||||
| Guyana | N | Extant | ||||
| Haiti | N | Extant | ||||
| Honduras | N | Extant | ||||
| Jamaica | V | Extant | ||||
| Martinique (to France) | N | Extant | ||||
| Mexico | N | Extant | ||||
| Montserrat (to UK) | N | Extant | ||||
| Nicaragua | N | Extant | ||||
| Panama | N | Extant | ||||
| Paraguay | N | Extant | ||||
| Peru | N | Extant | ||||
| Puerto Rico (to USA) | N | Extant | ||||
| Sint Maarten (to Netherlands) | N | Extant | ||||
| St Kitts and Nevis | N | Extant | ||||
| St Lucia | N | Extant | ||||
| St Vincent and the Grenadines | N | Extant | ||||
| Suriname | N | Extant | ||||
| Trinidad and Tobago | N | Extant | ||||
| Turks and Caicos Islands (to UK) | N | Extant | ||||
| Uruguay | N | Extant | Yes | |||
| USA | N | Extant | Yes | |||
| Venezuela | N | Extant | ||||
| Virgin Islands (to UK) | V | Extant | ||||
| Virgin Islands (to USA) | V | Extant |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Marine Coastal/Supratidal | Coastal Brackish/Saline Lagoons/Marine Lakes | suitable | non-breeding |
| Marine Coastal/Supratidal | Coastal Brackish/Saline Lagoons/Marine Lakes | suitable | breeding |
| Marine Coastal/Supratidal | Coastal Freshwater Lakes | suitable | non-breeding |
| Marine Coastal/Supratidal | Coastal Freshwater Lakes | suitable | breeding |
| Marine Intertidal | Mud Flats and Salt Flats | suitable | non-breeding |
| Marine Intertidal | Mud Flats and Salt Flats | suitable | 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 | non-breeding |
| Marine Neritic | Seagrass (Submerged) | major | breeding |
| Marine Neritic | Subtidal Loose Rock/pebble/gravel | major | non-breeding |
| Marine Neritic | Subtidal Loose Rock/pebble/gravel | major | breeding |
| Marine Neritic | Subtidal Rock and Rocky Reefs | major | non-breeding |
| Marine Neritic | Subtidal Rock and Rocky Reefs | major | breeding |
| Marine Neritic | Subtidal Sandy | major | non-breeding |
| Marine Neritic | Subtidal Sandy | major | 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 (2022) Species factsheet: Rynchops niger. Downloaded from
http://www.birdlife.org on 13/08/2022.
Recommended citation for factsheets for more than one species: BirdLife International (2022) IUCN Red List for birds. Downloaded from
http://www.birdlife.org on 13/08/2022.
