Diet Overlap

Tadorna tadorna (Common Shelduck)
Larus argentatus (Herring Gull)

Common Diet

Abra marshalli (Baltic macoma)
Cerastoderma edule (Common cockle)
Corophium volutator (mud shrimp)
Hediste diversicolor (veelkleurige zeeduizendpoot)

Common Habitat

Ackerhügelland westlich Erfurt mit Fahnerscher Höhe
Akionlahti
Alashan Plateau semi-desert
ALBUFERA DE ADRA
Alfsee
Amudarya Zapovednik
Amur meadow steppe
ANSE DU FIER D'ARS EN RE
Arabian Desert and East Sahero-Arabian xeric shrublands
Arabian Peninsula coastal fog desert
Atlantic mixed forests
Baie de Morlaix
Baie de Quiberon
Baie de Saint-Brieuc - Est
Baie de Vilaine
Baie du Mont Saint Michel
Baltic mixed forests
Basses Vallées du Cotentin et Baie des Veys
Berwickshire and North Northumberland Coast
Bideford Bay Biosphere Reserve
Boyne Estuary SPA
Bung Boraphet Non-hunting Area
Caerlaverock National Nature Reserve
Caledon conifer forests
Cap Sizun
Carmarthen Bay and Estuaries/ Bae Caerfyrddin ac Aberoedd
Central Asian northern desert
Central Asian riparian woodlands
Central Asian southern desert
Central European mixed forests
Central Korean deciduous forests
Changbai Mountains mixed forests
Chausey
Chernye Zemli Biosphere Reserve
Confluence des vallées de la Meuse et de la Chiers
Daurskiy Biosphere Reserve
Deccan thorn scrub forests
Dee Estuary/ Aber Dyfrdwy
Dolna Odra
Dornoch Firth and Morrich More
Dümmer
Dungeness
Eastern Mediterranean conifer-sclerophyllous-broadleaf forests
Emin Valley steppe
Emsmarsch von Leer bis Emden
English Lowlands beech forests
Essex Estuaries
Firth of Tay & Eden Estuary
Flusslandschaft Elbe Biosphere Reserve
Foret Domaniale du Circeo
Forêts et étangs d'Argonne et vallée de l'Ornain
Gera-Unstrut-Niederung um Straußfurt
Gobi Lakes Valley desert steppe
Golfe du Morbihan
Great Lakes Basin desert steppe
Gulf of Oman desert and semi-desert
Hailuoto, pohjoisranta
Hammeniederung
Hortobágy National Park
Hund und Paapsand
Ilots Notre-Dame et Chevret
Inner Galway Bay SPA
Irano-Anatolian
Isle of Rum National Nature Reserve
Isomatala-Maasyvänlahti
Jian Nan subtropical evergreen forests
Kamchia Complex
Karadagskiy Zapovednik
Kazakh semi-desert
Kazakh upland
Keoladeo (Bharatpur) National Park
Khangai Mountains alpine meadow
Khangai Mountains conifer forests
Khazar Zapovednik
Kirkkonummen saaristo (SPA)
Kirkkosalmi
Kopet Dag semi-desert
Krammer-Volkerak
Lac du Der
Lacs de la forêt d'Orient
Lago di Mezzola e Pian di Spagna
Lambay Island SPA
Les "Cinq Tailles"
LITTORAL SEINO-MARIN
Lough Foyle SPA
Lough Swilly SPA
Manchurian mixed forests
Mandra - Poda
Marais de l'Erdre
Marais du Mès, baie et dunes de Pont-Mahé, étang du Pont de Fer, île Dumet
MARAIS POITEVIN
Marais salants de Guérande, traicts du Croisic, dunes de Pen Bron
MARISMAS DE ISLA CRISTINA
MARISMAS DEL ODIEL
Markiezaatsmeer
Mediterranean acacia-argania dry woodlands and succulent thickets
Mediterranean conifer and mixed forests
Mediterranean woodlands and forests
Mendip Limestone Grasslands
Minsmere to Walberswick Heaths and Marshes
Mongolian-Manchurian grassland
Mor Braz
Morecambe Bay
Mountains of Central Asia
Moyenne vallée de l'Oise
Närpiön saaristo
Neusiedler See-Osterreichischer Teil
Niederung der Unteren Havel
Nile Delta flooded savanna
North Atlantic moist mixed forests
North Bull Island
North Bull Island SPA
North Norfolk Coast
North Norfolk Coast Biosphere Reserve
Northeast China Plain deciduous forests
Northwestern thorn scrub forests
NSG Urmitzer Werth
Ojakylänlahti ja Kengänkari
Ouessant-Molène
Parhalahti-Syölätinlahti ja Heinikarinlampi
Paul do Boquilobo Biosphere Reserve
Persian Gulf desert and semi-desert
Plateau ardennais
Plothener Teiche
Pontic steppe
Puszcza Kampinoska
Ramsar-Gebiet S-H Wattenmeer und angrenzende Küstengebiete
Rann of Kutch seasonal salt marsh
Red Sea Nubo-Sindian tropical desert and semi-desert
Reserva de la Biosfera de Urdaibai
Reserve de la Biosphere d'Iroise
Reserve Nationale de Camargue Biosphere Reserve
Rietzer See
Rivière de Pénerf
Ropotamo Complex
Ruegen
Sahara desert
Sayan Alpine meadows and tundra
Sayan Intermontane steppe
Sayan montane conifer forests
Scandinavian coastal conifer forests
Scandinavian Montane Birch forest and grasslands
Schaalsee
Schorfheide-Chorin
Secteur marin de l'île d'Yeu jusqu'au continent
Sefton Coast
Selenge-Orkhon forest steppe
Severn Estuary/ Môr Hafren
Shabla Lake Complex
Siikajoen lintuvedet ja suot
Slowinski National Park
Sokhondinskiy Biosphere Reserve
Solent Maritime
South China-Vietnam subtropical evergreen forests
South Iran Nubo-Sindian desert and semi-desert
South Siberian forest steppe
Southern Korea evergreen forests
Spreewald
St. Kilda National Nature Reserve
Sunderban
Taynish National Nature Reserve
The Murrough SPA
Tian Shan foothill arid steppe
Tian Shan montane conifer forests
Tian Shan montane steppe and meadows
Tigris-Euphrates alluvial salt marsh
Trans-Baikal conifer forests
U. Rhinluch/Dreetzer See, Havell. Luch und Belziger Landschaftsw.
Ubsunurskaya Kotlovina (Ubsunur Depression)
Ujscie Warty
Ujscie Wisly
Unterelbe
Unteres Elbtal
Unteres Odertal
Unterweser
Urdaibaiko Itsasadarra / Ría de Urdaibai
Val d'Allier Bourbonnais
Val d'allier Saint Yorre-Joze
Vallée de la Loire de Iguerande à Decize
Varna-Beloslav Lakes Complex
Waddensea Area
Waddensea of Lower Saxony
Waddensea of Schleswig-Holstein
Wangerland
Wesertalaue bei Landesbergen
Western European broadleaf forests
Western Siberian hemiboreal forests
Zalew Wislany
Zhrebchevo Reservoir

Attributes / relations provided by
♦ 1Predation of the shelduck Tadorna tadorna on the mud snail Hydrobia ulvae, N. R. Anders, T. Churchyard, J. G. Hiddink, Aquat Ecol 2009, vol. 43, no. 4, pp. 1193-1199
♦ 2Energy flow of a boreal intertidal ecosystem, the Sylt-Rømø Bight, Dan Baird, Harald Asmus, Ragnhild Asmus, Mar Ecol Prog Ser 279: 45–61, 2004