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.
Critically Endangered | Endangered | Vulnerable |
---|---|---|
- | - | - |
Year | Category | Criteria |
---|---|---|
2020 | Least Concern | |
2018 | 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 | - |
Estimate | Data quality | |
---|---|---|
Extent of Occurrence (breeding/resident) | 128,000 km2 | medium |
Extent of Occurrence (non-breeding) | 316,000 km2 | medium |
Severely fragmented? | no | - |
Estimate | Data quality | Derivation | Year of estimate | |
---|---|---|---|---|
Population size | 40000 mature individuals | poor | estimated | 2020 |
Population trend | unknown | - | - | - |
Generation length | 12.2 years | - | - | - |
Population justification: The global population is estimated to number 40,000 mature individuals, equating to 60,000 individuals (Wetlands International 2020).
Trend justification: The current population trend is not known (Partners in Flight 2019, Wetlands International 2020).
Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
---|---|---|---|---|---|---|
Mexico | extant | native | yes | yes | ||
USA | extant | native | yes |
Country/Territory | IBA Name |
---|---|
Mexico | Archipiélago Bahía de los Angeles |
Mexico | Archipiélago Salsipuedes |
Mexico | Delta del Río Colorado |
Mexico | Ensenada de la Paz |
Mexico | Isla Rasa |
Mexico | Isla San Marcos |
Mexico | Isla Tiburón-Canal Infiernillo-Estero Santa Rosa |
Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
---|---|---|---|
Marine Coastal/Supratidal | Sea Cliffs and Rocky Offshore Islands | major | resident |
Marine Intertidal | Sandy Shoreline and/or Beaches, Sand Bars, Spits, Etc | major | resident |
Marine Neritic | Macroalgal/Kelp | major | resident |
Marine Neritic | Pelagic | suitable | resident |
Marine Neritic | Seagrass (Submerged) | major | resident |
Marine Neritic | Subtidal Loose Rock/pebble/gravel | major | resident |
Marine Neritic | Subtidal Rock and Rocky Reefs | major | resident |
Marine Neritic | Subtidal Sandy | major | resident |
Marine Neritic | Subtidal Sandy-Mud | major | resident |
Altitude | 0 - 50 m | Occasional altitudinal limits |
Recommended citation
BirdLife International (2024) Species factsheet: Yellow-footed Gull Larus livens. Downloaded from
https://datazone.birdlife.org/species/factsheet/yellow-footed-gull-larus-livens on 24/12/2024.
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 24/12/2024.