Data Zone
Taxonomic note
Following Kennedy and Spencer (2014) the genus Phalacrocorax has been divided into six genera, with P. aristotelis moved into Gulosus (HBW and BirdLife International 2018).
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.
Handbook of the Birds of the World and BirdLife International. 2018. Handbook of the Birds of the World and BirdLife International digital checklist of the birds of the world. Version 3. Available at: http://datazone.birdlife.org/userfiles/file/Species/Taxonomy/HBW-BirdLife_Checklist_v3_Nov18.zip.
Kennedy, Martyn & Spencer, Hamish. 2014. Classification of the Cormorants of the World. Molecular phylogenetics and evolution. 79: 249-257.
| 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 | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence breeding/resident (km2) | 17,600,000 | medium |
| Extent of Occurrence non-breeding (km2) | 18,500,000 | medium |
| Number of locations | - | |
| Severely Fragmented | - |
| Value | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| No. of mature individuals | poor | estimated | 2012 | |
| 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) | 8.8 | - | - | - |
Population justification: The global population is estimated at 230,000-240,000 individuals (Wetlands International 2015). The European population is estimated at 76,300-78,500 pairs, which equates to 153,000-157,000 mature individuals (BirdLife International 2015).
Trend justification: The overall trend is decreasing, although some populations may be stable (Wetlands International 2015). The European population is estimated to be decreasing by less than 25% in 26.4 years (three generations) (BirdLife International 2015).
| Country/Territory | Occurrence status | Presence | Resident | Breeding | Non-breeding | Passage |
|---|---|---|---|---|---|---|
| Albania | N | Extant | Yes | |||
| Algeria | N | Extant | ||||
| Austria | V | Extant | ||||
| Belgium | N | Extant | ||||
| Bosnia and Herzegovina | V | Extant | ||||
| Bulgaria | N | Extant | Yes | |||
| Croatia | N | Extant | Yes | |||
| Cyprus | N | Extant | Yes | |||
| Czechia | V | Extant | ||||
| Denmark | V | Extant | ||||
| Egypt | N | Extant | ||||
| Faroe Islands (to Denmark) | N | Extant | Yes | |||
| Finland | V | Extant | ||||
| France | N | Extant | Yes | Yes | ||
| Germany | N | Extant | Yes | |||
| Gibraltar (to UK) | N | Extant | Yes | |||
| Greece | N | Extant | Yes | Yes | ||
| Iceland | N | Extant | Yes | |||
| Iraq | V | Extant | Yes | |||
| Ireland | N | Extant | Yes | |||
| Italy | N | Extant | Yes | |||
| Kazakhstan | V | Extant | ||||
| Libya | N | Extant | ||||
| Liechtenstein | V | Extant | ||||
| Malta | V | Extant | ||||
| Montenegro | V | Extant | Yes | |||
| Morocco | N | Extant | ||||
| Netherlands | N | Extant | Yes | |||
| North Macedonia | N | Extant | Yes | |||
| Norway | N | Extant | Yes | |||
| Poland | V | Extant | ||||
| Portugal | N | Extant | Yes | |||
| Romania | V | Extant | ||||
| Russia | N | Extant | Yes | |||
| Russia (European) | N | Extant | Yes | |||
| Serbia | V | Extant | Yes | |||
| Slovenia | N | Extant | Yes | |||
| Spain | N | Extant | Yes | |||
| Sweden | V | Extant | ||||
| Switzerland | V | Extant | ||||
| Syria | V | Extant | Yes | |||
| Tunisia | N | Extant | ||||
| Turkey | N | Extant | Yes | |||
| Ukraine | N | Extant | Yes | |||
| United Kingdom | N | Extant | Yes |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Marine Coastal/Supratidal | Sea Cliffs and Rocky Offshore Islands | major | non-breeding |
| Marine Coastal/Supratidal | Sea Cliffs and Rocky Offshore Islands | major | breeding |
| Marine Intertidal | Rocky Shoreline | major | non-breeding |
| Marine Intertidal | Rocky Shoreline | major | breeding |
| Marine Intertidal | Tidepools | major | non-breeding |
| Marine Intertidal | Tidepools | major | breeding |
| Marine Neritic | Macroalgal/Kelp | major | non-breeding |
| Marine Neritic | Macroalgal/Kelp | major | breeding |
| Marine Neritic | Pelagic | suitable | breeding |
| Marine Neritic | Pelagic | suitable | 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 | non-breeding |
| Marine Neritic | Subtidal Sandy-Mud | major | breeding |
| Altitude | Occasional altitudinal limits |
| Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Biological resource use | Fishing & harvesting aquatic resources - Unintentional effects: (large scale) [harvest] | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | Slow, Significant Declines | Low Impact: 5 | ||||||
|
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| Climate change & severe weather | Habitat shifting & alteration | Timing | Scope | Severity | Impact | ||||
| Future | Majority (50-90%) | Unknown | Unknown | ||||||
|
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| Climate change & severe weather | Storms & flooding | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | Rapid Declines | Medium Impact: 6 | ||||||
|
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| Invasive and other problematic species, genes & diseases | Problematic native species/diseases - Named species | Timing | Scope | Severity | Impact | ||||
| Past, Likely to Return | Minority (<50%) | Very Rapid Declines | Past Impact | ||||||
|
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| Pollution | Industrial & military effluents - Oil spills | Timing | Scope | Severity | Impact | ||||
| Ongoing | Majority (50-90%) | Slow, Significant Declines | Medium Impact: 6 | ||||||
|
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| Residential & commercial development | Tourism & recreation areas | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | Negligible declines | Low Impact: 4 | ||||||
|
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| Purpose | Primary form used | Life stage used | Source | Scale | Level | Timing |
|---|---|---|---|---|---|---|
| Pets/display animals, horticulture | - | - | International | Non-trivial | Recent | |
| Sport hunting/specimen collecting | - | - | Non-trivial | Recent |
Recommended citation
BirdLife International (2023) Species factsheet: Gulosus aristotelis. Downloaded from
http://www.birdlife.org on 31/03/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from
http://www.birdlife.org on 31/03/2023.
