Diet Overlap

Mergellus albellus (Smew)
Chlidonias hybrida (Whiskered Tern)

Common Diet

Esox lucius (Jack)

Common Habitat

Aegean and Western Turkey sclerophyllous and mixed forests
Alashan Plateau semi-desert
Alsó-Tisza-völgy
Amudarya Zapovednik
Anatolian conifer and deciduous mixed forests
ANSE DU FIER D'ARS EN RE
Arabian Desert and East Sahero-Arabian xeric shrublands
Astrakhanskiy Biosphere Reserve
Atanasovsko ezero
Atlantic mixed forests
Azerbaijan shrub desert and steppe
Balkan mixed forests
Baltic mixed forests
Barrage d'Artix et Saligue du Gave de Pau
Basse vallée du Doubs et étangs associés
Belene Islands Complex
Borsodi-sík
BRENNE
Burgasko ezero
Cabo Busto-Luanco
Camargue
Canneti del Lago Maggiore
Cap Gris-Nez
Caspian Hyrcanian mixed forests
Caspian lowland desert
Caucasus
Central Anatolian deciduous forests
Central Anatolian steppe
Central China loess plateau mixed forests
Central European mixed forests
Changbai Mountains mixed forests
Changjiang Plain evergreen forests
Chelopechene Fish-ponds
Comprensorio Bracciano-Martignano
Da Hinggan-Dzhagdy Mountains conifer forests
Daba Mountains evergreen forests
DELTA EVROU
DELTA NESTOU KAI LIMNOTHALASSES KERAMOTIS - EVRYTERI PERIOCHI KAI PARAKTIA ZONI
DELTA NESTOU KAI LIMNOTHALASSES KERAMOTIS KAI NISOS THASOPOULA
Dinaric Mountains mixed forests
Durankulak Lake
East European forest steppe
Eastern Anatolian montane steppe
Eastern Mediterranean conifer-sclerophyllous-broadleaf forests
Embalses del centro (San Andrés,la Granda, Trasona y la Furta)
Estuaire et marais de la Basse Seine
ETHNIKOS DRYMOS PRESPON
Fiume Po - tratto vercellese alessandrino
Foce dell'Isonzo - Isola della Cona
Gera-Unstrut-Niederung um Straußfurt
Helanshan montane conifer forests
Herbages et cultures autour du lac du Der
Hortobágy
Hortobágy National Park
Huang He Plain mixed forests
Illyrian deciduous forests
Indo-Burma
Indus Valley desert
Irano-Anatolian
Irrawaddy freshwater swamp forests
Ivailovgrad Reservoir
Jian Nan subtropical evergreen forests
Kaliakra
Kalimok Complex
Kamchia Complex
KATO ROUS KAI EKVOLES SPERCHEIOU POTAMOU
Kesznyéten
Khazar Zapovednik
Kis-Sárrét
Kiskunsági szikes tavak és az õrjegi turjánvidék
KOILADA KAI EKVOLES SPERCHEIOU - MALIAKOS KOLPOS
Krustkalnu dabas rezervats
Kyffhäuser - Badraer Schweiz - Helmestausee
Lac de Grand Lieu
LAC DE MADINE ET ETANGS DE PANNES
Lac de Remoray
Lac du Der
LAC LEMAN
Lacs de la forêt d'Orient
Lago di Burano
Lago di Mezzola e Pian di Spagna
Lago e Padule di Massacciuccoli
Laguna di Marano e Grado
Laguna di Venezia
Lampertheimer Altrhein
LESVOS: PARAKTIOI YGROTOPOI KOLPOU KALLONIS
LIMNES ChEIMADITIDA KAI ZAZARI
LIMNES KAI LIMNOTHALASSES TIS THRAKIS - EVRYTERI PERIOCHI KAI PARAKTIA ZONI
LIMNES KORONEIAS - VOLVIS, STENA RENTINAS KAI EVRYTERI PERIOCHI
LIMNES VISTONIS, ISMARIS - LIMNOTHALASSES PORTO LAGOS, ALYKI PTELEA, XIROLIMNI, KARATZA
LIMNES VOLVI KAI LAGKADA - EVRYTERI PERIOCHI
LIMNI KERKINI - KROUSIA - KORYFES OROUS BELES, ANGISTRO - CHAROPO
LIMNOS: LIMNES CHORTAROLIMNI KAI ALYKI, KOLPOS MOUDROU, ELOS DIAPORI KAI CHERSONISOS FAKOS
Manchurian mixed forests
Mandra - Poda
Marais Audomarois
Mechka Fish-ponds
Mediterranean Basin
Mediterranean conifer and mixed forests
Mediterranean woodlands and forests
Mesopotamian shrub desert
Minsmere to Walberswick Heaths and Marshes
Mongolian-Manchurian grassland
Myanmar Coast mangroves
Neusiedler See-Osterreichischer Teil
Niederung der Unteren Havel
Nordöstliches Altenburger Land
North America
Northeast China Plain deciduous forests
Northern Indochina subtropical forests
Northwestern thorn scrub forests
Nyugat-Dráva
Ordos Plateau steppe
Palava Protected Landscape Area
Pannonian mixed forests
Platier d'Oye
Po Basin mixed forests
Pomorie Lake
Pontic steppe
Prairies alluviales et milieux associés de Saône-et-Loire
Prespa National Park
Pyasachnik Reservoir
Qin Ling Mountains deciduous forests
Rastgebiete im mittleren Saartal
Registan-North Pakistan sandy desert
Reserve Srebarna
Rietzer See
Rodope montane mixed forests
Ropotamo Complex
Rozov Kladenets Reservoir
Sakar
Sarmatic mixed forests
Sárvíz völgye
Scandinavian Montane Birch forest and grasslands
Schorfheide-Chorin
Shabla Lake Complex
Sologne bourbonnaise
South China-Vietnam subtropical evergreen forests
South Iran Nubo-Sindian desert and semi-desert
Southeast Tibet shrub and meadows
Srebarna
Straldzha Complex
Studen Kladenets
Teicu dabas rezervats
Tigris-Euphrates alluvial salt marsh
Torbiere d'Iseo
Unteres Odertal
Urdaibaiko Itsasadarra / Ría de Urdaibai
Val d'Allier Bourbonnais
Valle Cavanata e Banco Mula di Muggia
Valle del Mezzano, Valle Pega
VALLEE DE LA LOIRE DU LOIR-ET-CHER
VALLEE DE LA LOIRE DU LOIRET
Valli del Mincio
Valli di Argenta
Velencei-tó és Dinnyési-Fertõ
Voronezhskiy Biosphere Reserve
Western European broadleaf forests
Yancheng
Yatata
YGROTOPOS EKVOLON KALAMA KAI NISOS PRASOUDI
Yunnan Plateau subtropical evergreen forests
Zagros Mountains forest steppe
Zaliv Chengene skele
Zona umida di Les Iles di Saint - Marcel

Attributes / relations provided by
1del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
2Reproductive parameters in relation to food supply in the whiskered tern (Chlidonias hybrida), Jean-Marc Paillisson, Sébastien Reeber, Alexandre Carpentier, Loïc Marion, J Ornithol (2007) 148:69–77