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LC
Yellow-billed Tern Sternula superciliaris

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 not a migrant Forest dependency Does not normally occur in forest
Land mass type   Average mass 46.4 g

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 11,400,000 medium
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals poor Estimated 2009
Population trend Stable -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 11 - - -
Trend justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats.

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage Resident
Argentina Native Extant       Yes
Bolivia Native Extant       Yes
Brazil Native Extant       Yes
Colombia Native Extant       Yes
Ecuador Native Extant       Yes
French Guiana Native Extant       Yes
Guyana Native Extant       Yes
Panama Vagrant Extant   Yes    
Paraguay Native Extant       Yes
Peru Native Extant       Yes
Suriname Native Extant       Yes
Trinidad and Tobago Native Extant       Yes
Uruguay Native Extant Yes      
Venezuela Native Extant       Yes

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
French Guiana Amana site factsheet
French Guiana Ile de Cayenne site factsheet
French Guiana Littoral site factsheet
French Guiana Littoral Kourou site factsheet
French Guiana Littoral Macouria site factsheet
French Guiana Littoral Sinnamary site factsheet
French Guiana Plaine Kaw et Pointe Béhague site factsheet
Guyana Shell Beach site factsheet
Peru Reserva Nacional Pacaya Samiria site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable breeding
Wetlands (inland) Permanent Freshwater Lakes (over 8ha) suitable breeding
Wetlands (inland) Permanent Rivers/Streams/Creeks (includes waterfalls) major breeding
Altitude 0 - 800 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2014) Species factsheet: Sternula superciliaris. Downloaded from http://www.birdlife.org on 01/08/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 01/08/2014.

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 Vieillot, 1819
Population size mature individuals
Population trend Stable
Distribution size (breeding/resident) 11,400,000 km2
Country endemic? No
Links to further information
- Summary information on this species