Scientific name
 |
Source
|
|---|---|
| Larus fuscus fuscus Linnaeus, 1758 | Cramp, S. & Simmons, K.E.L. (1983) |
| Larus fuscus graellsii Brehm, 1857 | PESI webservices (simplified taxonony) (2012) |
Lesser Black-backed Gull - Larus fuscus Linnaeus, 1758
Quick facts
| Threat status Europe | Least Concern (IUCN) |
|---|---|
| Protected by | EU Birds Directive and 1 other international agreement |
| Natura 2000 sites | 489 are designated for this species |
| Natura 2000 species code | A183 |
Distribution
The distribution map is currently disabled. A new map solution will soon become available. In the meantime, please consult other species distribution map providers listed in the Other resources panel below.
Threat and conservation status
Natura 2000 sites
Protected in the following Natura 2000 sites
Protected sites
Please note the site map takes a while to display.Legal status
Mentioned in the following international legal instruments and agreements
Common names and synonyms
|
Common Name
|
Language
|
Reference
|
|---|---|---|
| Gaivota-d'asa-escura | Portuguese | Hagemeijer, W.J.M. & Blair, M.J. |
| Gaviota Sombría | Spanish | Hagemeijer, W.J.M. & Blair, M.J. |
| Goéland brun | French | Hagemeijer, W.J.M. & Blair, M.J. |
| Heringsirály | Hungarian | Hagemeijer, W.J.M. & Blair, M.J. |
| Heringsmöwe | German | Hagemeijer, W.J.M. & Blair, M.J. |
| Kleine Mantelmeeuw | Dutch | Hagemeijer, W.J.M. & Blair, M.J. |
| Lesser Black-backed Gull | English | Hagemeijer, W.J.M. & Blair, M.J. |
| Selkälokki | Finnish | Hagemeijer, W.J.M. & Blair, M.J. |
| Silltrut | Swedish | Hagemeijer, W.J.M. & Blair, M.J. |
| Zafferano | Italian | Hagemeijer, W.J.M. & Blair, M.J. |
No synonyms available.
Other resources
| CoL (accepted name) | Catalogue of Life |
| EBCC Atlas of breeding birds | European Bird Census Council's Atlas of Breeding Birds |
| EURing code:05910 | European bird-ringing |
| EoL | Encyclopedia of Life |
| Fauna Europaea | Fauna Europaea |
| GBIF | Global Biodiversity Information Facility |
| ITIS (Valid name) | Interagency Taxonomic Information System |
| NCBI search | National Center for Biotechnology Information |
| PESI (Accepted) | Pan-European Species directories Infrastructure |
| Wikipedia | Wikipedia |
| WoRMS | World Register of Marine Species |
External data
Population distribution from "Birds in Europe" editions 1 and 2
These publications present a thorough and detailed review of the conservation status of European birds. Based on detailed breeding and wintering population data collected in each country, the report provides a review of the population sizes and trends of Species of European Conservation Concern.
1
| Country | Biogeographic region | Min / Max (Units) | Period | Status | Quality | Source | Published |
|---|---|---|---|---|---|---|---|
| Albania | 0/4 (individuals) | 1995-2002 | Wintering | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Belgium | 1000/1000 (individuals) | 1995-2000 | Wintering | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Belgium | 2793/2842 (pairs) | 2000-2002 | Breeding | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Bulgaria | 2/10 (individuals) | 1996-2002 | Wintering | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Croatia | 50/100 (individuals) | 2002 | Wintering | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Cyprus | 50/500 (individuals) | 1994-2002 | Wintering | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Denmark | 4000/6000 (pairs) | 2000 | Breeding | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Denmark | Atlantic | 5000/9000 (pairs) | 1981 | Breeding | Species poorly known, with no quantitative data available | Birds in Europe 1 (1970-1990) | 1994-01-01 |
| Denmark - Greenland | 500/1000 (pairs) | 1990-2000 | Breeding | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Estonia | 80/120 (pairs) | 1998 | Breeding | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Estonia | 0/10 (individuals) | 1998 | Wintering | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Estonia | Boreal | 250/300 (pairs) | - | Breeding | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 1 (1970-1990) | 1994-01-01 |
| Finland | 5000/7000 (pairs) | 1998-2002 | Breeding | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Finland | 6000/7000 (pairs) | 1992 | Breeding | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 1 (1970-1990) | 1994-01-01 | |
| France | 22500/23030 (pairs) | 1997-2000 | Breeding | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| France | 50000/150000 (individuals) | 1998-2002 | Wintering | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| France | 23563/23563 (pairs) | 1988 | Breeding | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 1 (1970-1990) | 1994-01-01 | |
| Germany | 23000/29000 (pairs) | 1995-1999 | Breeding | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Greece | 50/200 (individuals) | 1995-2000 | Wintering | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Hungary | 1/2 (individuals) | 1990-2000 | Wintering | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Iceland | 25000/35000 (pairs) | 1997 | Breeding | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Iceland | Arctic | 25000/35000 (pairs) | - | Breeding | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 1 (1970-1990) | 1994-01-01 |
| Ireland | 2876/2876 (pairs) | 1999-2002 | Breeding | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Italy | 300/1500 (individuals) | 2002 | Wintering | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Latvia | 0/20 (individuals) | 1990-2001 | Wintering | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Lithuania | 0/49 (individuals) | 1992-2002 | Wintering | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Malta | 5/10 (individuals) | 1995-2002 | Wintering | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Moldova, Republic of | 0/7 (individuals) | 1990-2000 | Wintering | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Netherlands | 58500/72000 (pairs) | 1998-2000 | Breeding | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Netherlands | 600/700 (individuals) | 1999-2001 | Wintering | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Netherlands | Atlantic | 24000/24000 (pairs) | 1990 | Breeding | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 1 (1970-1990) | 1994-01-01 |
| Norway | 30000/40000 (pairs) | 1990-2001 | Breeding | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Norway | 10000/20000 (pairs) | 1990 | Breeding | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 1 (1970-1990) | 1994-01-01 | |
| Poland | 0/3 (pairs) | 1990-2000 | Breeding | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Poland | 1/20 (individuals) | 1995-2002 | Wintering | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Portugal | 5/10 (pairs) | 2002 | Breeding | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Portugal | Present/Present (individuals) | 2002 | Wintering | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Romania | 50/100 (individuals) | 1990-2000 | Wintering | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Russian Federation | 4000/5700 (pairs) | 1990-2000 | Breeding | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Russian Federation | 700/2300 (pairs) | 1984-1988 | Breeding | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 1 (1970-1990) | 1994-01-01 | |
| Slovakia | 0/5 (individuals) | 1990-1999 | Wintering | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Slovenia | 0/5 (individuals) | 1990-2000 | Wintering | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Spain | 16597/79140 (individuals) | 1990-2001 | Wintering | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Spain | 480/500 (pairs) | 1998-2002 | Breeding | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Sweden | 2000/5000 (pairs) | 1999-2000 | Breeding | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Sweden | 15000/20000 (pairs) | 1987 | Breeding | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 1 (1970-1990) | 1994-01-01 | |
| Switzerland | 9/16 (individuals) | 1998-2002 | Wintering | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Turkey | 30/90 (individuals) | 1991-2001 | Wintering | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| Ukraine | 0/49 (individuals) | 1990-2000 | Wintering | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| United Kingdom | 60800/60800 (individuals) | 1993 | Wintering | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| United Kingdom | 114000/114000 (pairs) | 1998-2002 | Breeding | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 | |
| United Kingdom | Atlantic | 86000/86000 (pairs) | 1985-1987 | Breeding | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 1 (1970-1990) | 1994-01-01 |
| United Kingdom - Gibraltar | 10/30 (individuals) | 2000-2003 | Wintering | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004-01-01 |
Population trends from "Birds in Europe" editions 1 and 2
These publications present a thorough and detailed review of the conservation status of European birds. Based on detailed breeding and wintering population data collected in each country, the report provides a review of the population sizes and trends of Species of European Conservation Concern.
1
| Country | Biogeographic region | Period | Status | Trend | Quality | Source | Published |
|---|---|---|---|---|---|---|---|
| Albania | 1990-2000 | Wintering | Fluctuating | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Belgium | 1990-2000 | Breeding | Increasing : 80 % | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004 | |
| Belgium | 1990-2000 | Wintering | Stable between 0% to 19% | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Bulgaria | 1990-2000 | Wintering | Fluctuating : 80 % | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004 | |
| Croatia | 1990-2000 | Wintering | Unknown | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Cyprus | 1990-2000 | Wintering | Stable between 0% to 9% | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Denmark | 1990-2000 | Breeding | Increasing between 50% to 79% | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Denmark | Atlantic | 1970-1990 | Breeding | Small decrease of 20-49% | Species poorly known, with no quantitative data available | Birds in Europe 1 (1970-1990) | 1994 |
| Denmark - Greenland | 1990-2000 | Breeding | Increasing between 0% to 19% | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Estonia | 1990-2000 | Breeding | Decreasing between 20% to 29% | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Estonia | 1990-2000 | Wintering | Stable between 0% to 19% | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Estonia | Boreal | 1970-1990 | Breeding | Small decrease of 20-49% | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 1 (1970-1990) | 1994 |
| Finland | 1990-2000 | Breeding | Decreasing : 15 % | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Finland | 1970-1990 | Breeding | Large decrease of at least 50% | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 1 (1970-1990) | 1994 | |
| France | 1990-2000 | Breeding | Stable between 0% to 19% | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| France | 1990-2000 | Wintering | Unknown | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| France | 1970-1990 | Breeding | Large increase of at least 50% | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 1 (1970-1990) | 1994 | |
| Germany | 1990-2000 | Breeding | Increasing between 50% to 79% | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004 | |
| Greece | 1990-2000 | Wintering | Fluctuating : 80 % | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Hungary | 1990-2000 | Wintering | Fluctuating : 80 % | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Iceland | 1990-2000 | Breeding | Increasing between 0% to 19% | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Iceland | Arctic | 1970-1990 | Breeding | Large increase of at least 50% | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 1 (1970-1990) | 1994 |
| Ireland | 1990-2000 | Breeding | Increasing between 50% to 79% | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004 | |
| Italy | 1990-2000 | Wintering | Stable between 0% to 19% | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Latvia | 1990-2000 | Wintering | Stable between 0% to 19% | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Lithuania | 1990-2000 | Wintering | Unknown | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Malta | 1990-2000 | Wintering | Stable between 0% to 19% | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004 | |
| Moldova, Republic of | 1990-2000 | Wintering | Fluctuating between 20% to 29% | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004 | |
| Netherlands | 1990-2000 | Breeding | Increasing : 184 % | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004 | |
| Netherlands | 1990-2000 | Wintering | increasing : 258 % | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004 | |
| Netherlands | Atlantic | 1970-1990 | Breeding | Large increase of at least 50% | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 1 (1970-1990) | 1994 |
| Norway | 1990-2000 | Breeding | Increasing between 0% to 19% | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004 | |
| Norway | 1970-1990 | Breeding | Small decrease of 20-49% | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 1 (1970-1990) | 1994 | |
| Poland | 1990-2000 | Breeding | Stable between 0% to 19% | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004 | |
| Poland | 1990-2000 | Wintering | Unknown | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Portugal | 1990-2000 | Breeding | Stable between 0% to 19% | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004 | |
| Portugal | 1990-2000 | Wintering | Unknown | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Romania | 1990-2000 | Wintering | Stable between 0% to 19% | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Russian Federation | 1990-2000 | Breeding | Decreasing between 20% to 29% | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004 | |
| Russian Federation | 1970-1990 | Breeding | Small decrease of 20-49% | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 1 (1970-1990) | 1994 | |
| Slovakia | 1990-2000 | Wintering | Unknown | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Slovenia | 1990-2000 | Wintering | Fluctuating between 0% to 100% | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Spain | 1990-2000 | Breeding | Increasing between 20% to 29% | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Spain | 1990-2000 | Wintering | Increasing : 80 % | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Sweden | 1990-2000 | Breeding | Decreasing between 50% to 79% | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Sweden | 1970-1990 | Breeding | Small decrease of 20-49% | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 1 (1970-1990) | 1994 | |
| Switzerland | 1990-2000 | Wintering | Fluctuating between 30% to 49% | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004 | |
| Turkey | 1990-2000 | Wintering | Fluctuating : 80 % | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| Ukraine | 1990-2000 | Wintering | Fluctuating between 30% to 49% | Species poorly known, with no quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| United Kingdom | 1990-2000 | Breeding | Increasing : 29 % | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| United Kingdom | 1990-2000 | Wintering | Increasing between 0% to 19% | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 2 (1990-2000) | 2004 | |
| United Kingdom | Atlantic | 1970-1990 | Breeding | Small increase of 20-49% | Species generally well known, but only poor or incomplete quantitative data available | Birds in Europe 1 (1970-1990) | 1994 |
| United Kingdom - Gibraltar | 1990-2000 | Wintering | Stable between 0% to 19% | Reliable quantitative data (e.g. atlas survey or monitoring data, etc.) are available for the whole period and region in question | Birds in Europe 2 (1990-2000) | 2004 |
