Data Zone
Taxonomic source(s)
AERC TAC. 2003. AERC TAC Checklist of bird taxa occurring in Western Palearctic region, 15th Draft. Available at: http://www.aerc.eu/DOCS/Bird_taxa_of_the_WP15.xls.
Cramp, S. and Simmons, K.E.L. (eds). 1977-1994. Handbook of the birds of Europe, the Middle East and Africa. The birds of the western Palearctic. Oxford University Press, Oxford.
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 |
|---|---|---|
| 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 | full migrant | Forest dependency | does not normally occur in forest |
| Land-mass type | Average mass | 312 g |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 72,000,000 km2 | medium |
| Extent of Occurrence (non-breeding) | 78,400,000 km2 | medium |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | unknown | poor | estimated | 2009 |
| Population trend | stable | - | suspected | - |
| Generation length | 11.5 years | - | - | - |
Trend justification: Although Wetlands International consider the current population trend to be unknown (Delany and Scott 2006), it is suspected to be stable in the absence of evidence for any declines or substantial threats (del Hoyo et al. 1996).
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Algeria | extant | vagrant | ||||
| Angola | extant | native | ||||
| Argentina | extant | native | ||||
| Benin | extant | native | ||||
| Botswana | extant | native | ||||
| Brazil | extant | native | ||||
| Burkina Faso | extant | vagrant | ||||
| Burundi | extant | native | ||||
| Cameroon | extant | native | ||||
| Central African Republic | extant | vagrant | ||||
| Chad | extant | native | ||||
| Comoros | extant | vagrant | ||||
| Congo | extant | uncertain | ||||
| Congo, The Democratic Republic of the | extant | native | ||||
| Côte d'Ivoire | extant | vagrant | ||||
| Ecuador | extant | native | yes | |||
| Egypt | extant | vagrant | ||||
| Equatorial Guinea | extant | uncertain | ||||
| Eswatini | extant | native | ||||
| Ethiopia | extant | native | ||||
| Falkland Islands (Malvinas) | extant | vagrant | ||||
| French Southern Territories | extant | uncertain | ||||
| Gabon | extant | uncertain | ||||
| Gambia | extant | native | ||||
| Ghana | extant | vagrant | ||||
| Guinea | extant | native | ||||
| Guinea-Bissau | extant | native | yes | |||
| Israel | extant | vagrant | ||||
| Jordan | extant | vagrant | ||||
| Kenya | extant | native | ||||
| Lesotho | extant | vagrant | ||||
| Liberia | extant | vagrant | ||||
| Madagascar | extant | native | ||||
| Malawi | extant | native | ||||
| Mali | extant | native | ||||
| Mauritania | extant | native | ||||
| Mayotte (to France) | extant | uncertain | ||||
| Morocco | extant | native | ||||
| Mozambique | extant | native | ||||
| Namibia | extant | native | ||||
| Niger | extant | native | ||||
| Nigeria | extant | native | ||||
| Panama | extant | vagrant | ||||
| Paraguay | extant | native | ||||
| Peru | extant | native | ||||
| Rwanda | extant | native | ||||
| São Tomé e Príncipe | extant | uncertain | ||||
| Senegal | extant | native | yes | |||
| Seychelles | extant | uncertain | ||||
| Sierra Leone | extant | native | ||||
| Somalia | extant | vagrant | ||||
| South Africa | extant | native | yes | |||
| Spain | extant | vagrant | ||||
| Sudan | extant | native | yes | |||
| Tanzania | extant | native | ||||
| Togo | extant | vagrant | ||||
| Tunisia | extant | vagrant | ||||
| Uganda | extant | native | yes | |||
| Uruguay | extant | vagrant | ||||
| Western Sahara | extant | native | yes | |||
| Zambia | extant | native | ||||
| Zimbabwe | extant | native |
| Country/Territory | IBA Name |
|---|---|
| Chad | Lake Chad |
| Gambia | Allahein to Kartung coast |
| Gambia | Delta du Saloum – Niumi – Tanbi |
| Gambia | Tanbi wetland complex |
| Guinea-Bissau | Arquipélago dos Bijagós |
| Guinea-Bissau | Cantanhez forests |
| Kenya | Lake Nakuru National Park |
| Malawi | Lake Chilwa and flood-plain |
| Mali | Lac Débo - Lac Oualado Débo |
| Mali | Lac Faguibine |
| Senegal | Delta du Saloum |
| Senegal | Delta du Saloum - marine |
| Senegal | Joal-Fadiouth |
| Senegal | Kalissaye Avifaunal Reserve |
| Senegal | La Petite Côte |
| Senegal | Parc National de Basse Casamance |
| Senegal | Parc National de la Langue de Barbarie |
| Senegal | Parc National de la Langue de Barbarie - marine |
| Tanzania | Lake Eyasi |
| Uganda | Lutembe Bay |
| Uganda | Musambwa islands |
| Zambia | Barotse Floodplains |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Aquatic & Marine | Artificial/Aquatic - Salt Exploitation Sites | suitable | breeding |
| Artificial/Terrestrial | Rural Gardens | suitable | non-breeding |
| Marine Coastal/Supratidal | Coastal Sand Dunes | marginal | breeding |
| Marine Coastal/Supratidal | Sea Cliffs and Rocky Offshore Islands | major | breeding |
| 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 |
| Marine Neritic | Estuaries | suitable | breeding |
| Wetlands (inland) | Bogs, Marshes, Swamps, Fens, Peatlands | major | breeding |
| Wetlands (inland) | Permanent Freshwater Lakes (over 8ha) | suitable | breeding |
| Wetlands (inland) | Permanent Rivers/Streams/Creeks (includes waterfalls) | suitable | breeding |
| Wetlands (inland) | Permanent Saline, Brackish or Alkaline Lakes | suitable | breeding |
| Wetlands (inland) | Seasonal/Intermittent Freshwater Lakes (over 8ha) | suitable | breeding |
| Wetlands (inland) | Seasonal/Intermittent Saline, Brackish or Alkaline Lakes and Flats | suitable | breeding |
| Altitude | 0 - 1000 m | Occasional altitudinal limits |
| Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Biological resource use | Hunting & trapping terrestrial animals - Intentional use (species is the target) | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | Slow, Significant Declines | Low Impact: 5 | ||||||
|
|||||||||
| Purpose | Scale |
|---|---|
| Food - human | subsistence, national |
| Medicine - human & veterinary | subsistence, national |
| Pets/display animals, horticulture | international |
Recommended citation
BirdLife International (2024) Species factsheet: Grey-headed Gull Larus cirrocephalus. Downloaded from
https://datazone.birdlife.org/species/factsheet/grey-headed-gull-larus-cirrocephalus on 26/12/2024.
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 26/12/2024.