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. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
SACC. 2005 and updates. A classification of the bird species of South America. Available at: https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2024 | Least Concern | |
| 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 | not a migrant | Forest dependency | does not normally occur in forest |
| Land-mass type | Average mass | 235 g |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 15,800,000 km2 | medium |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | 23300-83300 mature individuals | poor | estimated | 2023 |
| Population trend | stable | - | suspected | - |
| Generation length | 6.43 years | - | - | - |
Population justification: The global population size is estimated at 35,000-125,000 individuals (Wetlands International 2023), which equates to 23,300-83,300 mature individuals. The overall population trend is considered to be stable over three generations (19.29 years) (Wetlands International 2023).
Trend justification: .
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Argentina | extant | native | yes | |||
| Aruba (to Netherlands) | extant | native | yes | |||
| Bermuda (to UK) | extant | vagrant | yes | |||
| Bolivia | extant | native | yes | |||
| Brazil | extant | native | yes | |||
| Colombia | extant | native | yes | |||
| Costa Rica | extant | vagrant | ||||
| Cuba | extant | native | yes | |||
| Curaçao (to Netherlands) | extant | native | yes | |||
| Ecuador | extant | native | yes | |||
| French Guiana | extant | native | yes | |||
| Guyana | extant | native | yes | |||
| Panama | extant | vagrant | yes | |||
| Paraguay | extant | native | yes | |||
| Peru | extant | native | yes | |||
| Suriname | extant | native | yes | |||
| Trinidad and Tobago | extant | native | yes | |||
| Uruguay | extant | native | yes | |||
| USA | extant | native | yes | |||
| Venezuela | extant | native | yes |
| Country/Territory | IBA Name |
|---|---|
| Colombia | Reservas de la vereda Altagracia |
| Colombia | Riberas de la Cuenca Baja del Río Inírida |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Marine Intertidal | Rocky Shoreline | suitable | non-breeding |
| Marine Intertidal | Sandy Shoreline and/or Beaches, Sand Bars, Spits, Etc | suitable | non-breeding |
| Marine Intertidal | Shingle and/or Pebble Shoreline and/or Beaches | suitable | non-breeding |
| Marine Intertidal | Tidepools | suitable | non-breeding |
| Marine Neritic | Estuaries | suitable | non-breeding |
| Wetlands (inland) | Permanent Freshwater Lakes (over 8ha) | suitable | resident |
| Wetlands (inland) | Permanent Rivers/Streams/Creeks (includes waterfalls) | major | resident |
| Altitude | 0 - 150 m | Occasional altitudinal limits |
| Purpose | Scale |
|---|---|
| Food - human | subsistence, national |
Recommended citation
BirdLife International (2024) Species factsheet: Large-billed Tern Phaetusa simplex. Downloaded from
https://datazone.birdlife.org/species/factsheet/large-billed-tern-phaetusa-simplex on 23/11/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 23/11/2024.