Diet Overlap

Circus pygargus (Montagu's Harrier)
Asio otus (Long-eared Owl)

Common Diet

Microtus arvalis (common vole)

Common Habitat

Aggtelek Biosphere Reserve
Al Wathba Wetland Reserve
Alai-Western Tian Shan steppe
Alsó-Tisza-völgy
Alte Valli Stura e Maira
Alto Garda Bresciano
Amudarya Zapovednik
Anatolian conifer and deciduous mixed forests
Appenine deciduous montane forests
Area delle Gravine
Astrakhanskiy Biosphere Reserve
Atlantic mixed forests
Azerbaijan shrub desert and steppe
Azraq Wetland Reserve
Bacini ex-zuccherificio di Argelato e Golena del Fiume Reno
Bacino Val Grande - Lavacci
Badghyz Zapovednik
Baie d'Audierne
Balkan mixed forests
Baltic mixed forests
Bassa Valnerina: Monte Fionchi - Cascata delle Marmore
Basso Taro
Belovezhskaya Pushcha Biosphere Reserve
Berezinskiy Zapovednik
Bialowieza National Park
Biotopi e Ripristini ambientali di Bentivoglio, S. Pietro in Casale, Malalbergo e Baricella
Biotopi e Ripristini ambientali di Budrio e Minerbio
Biotopi e Ripristini ambientali di Crevalcore
Biotopi e Ripristini ambientali di Medicina e Molinella
Biotopo Ahrau di Stegona
Biotopo Ontaneto di Sluderno
Bocca di Caset
Borsodi-sík
Boschi del Ticino
Boschi di San Luca e Destra Reno
Bosco della Mesola, Bosco Panfilia, Bosco di Santa Giustina, Valle Falce, La Goara
Bosco Nordio
Camargue
Campazzi di Onigo
Cantabrian mixed forests
Carpathian montane forests
Caspian Hyrcanian mixed forests
Caspian lowland desert
Caucasus
Caucasus mixed forests
Celtic broadleaf forests
Central Anatolian deciduous forests
Central Asian northern desert
Central Asian riparian woodlands
Central Asian southern desert
Central European mixed forests
Contrafforte Pliocenico
Corsican montane broadleaf and mixed forests
Crimean Submediterranean forest complex
Dalla Gola del Fiastrone al Monte Vettore
Darvinsky Zapovednik
Dinaric Mountains mixed forests
DOÑANA
Douro Internacional e Vale do Águeda
East African montane moorlands
East European forest steppe
Eastern Afromontane
Eastern Anatolian montane steppe
Eastern Beskid
Emin Valley steppe
English Lowlands beech forests
Estuaire et marais de la Basse Seine
Ethiopian montane forests
Ethiopian montane grasslands and woodlands
Ethiopian montane moorlands
Felsõ-kiskunsági szikes puszták és turjánvidék
Fenland
Flusslandschaft Elbe Biosphere Reserve
Fontanili di Gattatico e Fiume Enza
FORET DE MOULIERE, LANDES DU PINAIL, BOIS DU DEFENS, DU FOU ET DE LA ROCHE DE BRAN
Foret Domaniale du Circeo
Galichia Gora Zapovednik
Gessi Bolognesi, Calanchi dell'Abbadessa
Great Lakes Basin desert steppe
Herbages et cultures autour du lac du Der
Herbages et cultures des vallées de la Voire, de l'Héronne et de la Laines
Hortobágy National Park
Iberian conifer forests
Iberian sclerophyllous and semi-deciduous forests
Illyrian deciduous forests
Irano-Anatolian
Isomatala-Maasyvänlahti
Italian sclerophyllous and semi-deciduous forests
Kazakh forest steppe
Kazakh semi-desert
Kazakh steppe
Kazakh upland
Khazar Zapovednik
Kirkkojärvi
Kiskunsag Biosphere Reserve
Kiskunsági szikes tavak és az õrjegi turjánvidék
Kopetdagh Zapovednik
Krkonose
Lac de Grand Lieu
Lac du Der
Lacs de la forêt d'Orient
LAGUNA DE SARIÑENA Y BALSA DE LA ESTACIÓN
Laguna di Orbetello
Laguna di Venezia
LAGUNAS Y CARRIZALES DE CINCO VILLAS
Le Marais d'Isle
Les Cévennes
Les Ecrins
Luberon
Medio Taro
Mediterranean Basin
Mediterranean dry woodlands and steppe
Mediterranean woodlands and forests
Minsmere to Walberswick Heaths and Marshes
MONFRAGÜE Y LAS DEHESAS DEL ENTORNO
Monte Cofano, Capo San Vito e Monte Sparagio
Monte Labbro e alta valle dell'Albegna
Montesinho/Nogueira
Monticchie
Mountains of Central Asia
Moyenne vallée de l'Oise
Murgia Alta
Neusiedler See-Osterreichischer Teil
Nile Delta flooded savanna
North Bull Island
Northeastern Spain and Southern France Mediterranean forests
Northwest Iberian montane forests
Northwestern thorn scrub forests
Okskiy Biosphere Reserve
OROS YMITTOS
Paludi di Ostiglia
Pannonian mixed forests
Parco Del Cilento e Vallo de Diano
Parco Regionale Oglio Sud
Parma Morta
Paul do Boquilobo Biosphere Reserve
Pflaelzerwald
Piano dei Grilli
Pindus Mountains mixed forests
PLAINE ET ETANG DU BISCHWALD
PLAINES DU MIREBALAIS ET DU NEUVILLOIS
Po Basin mixed forests
Polana Biosphere Reserve
Pontic steppe
Prai di Castello di Godego
Prespa National Park
Prioksko-Terrasny Biosphere Reserve
Puszcza Kampinoska
Pyrenees conifer and mixed forests
REGION DE PRESSAC, ETANG DE COMBOURG
Repetek Biosphere Reserve
Reserve de la Biosphere d'Iroise
Reserve de la Biosphere des Vosges du Nord
Reserve Nationale de Camargue Biosphere Reserve
Reserve Srebarna
RIBERAS DE CASTRONUÑO
RÍO GUADALOPE - MAESTRAZGO
RÍO HUERVA Y LAS PLANAS
Risaie della Lomellina
Riserva Regionale Bosco Ronchetti
Riserva Regionale Fontanile Nuovo
Riserva Regionale Garzaia di Pomponesco
Riserva Regionale Lanca di Gerole
Rodope montane mixed forests
Ruegen
Saaristomeri
San Genesio
Sarmatic mixed forests
Sayan Alpine meadows and tundra
Sayan Intermontane steppe
Sayan montane conifer forests
Scandinavian and Russian taiga
Schorfheide-Chorin
SERRETA DE TRAMACED
Siikalahti, Sammallampi, Rautalahti
SOTOS Y CARRIZALES DEL RÍO ARAGÓN
South Siberian forest steppe
Southeastern Iberian shrubs and woodlands
Southern Anatolian montane conifer and deciduous forests
Southwest Iberian Mediterranean sclerophyllous and mixed forests
Spreewald
Syunt-Khasardagh Zapovednik
Taklimakan desert
Tarim Basin deciduous forests and steppe
Tian Shan foothill arid steppe
Tian Shan montane conifer forests
Tian Shan montane steppe and meadows
Torbiere d'Iseo
Trebon Basin Protected Landscape Area
Tsentral'no-Chernozemny Biosphere Reserve
Tsentral'no-Lesnoy Biosphere Reserve
Tyrrhenian-Adriatic sclerophyllous and mixed forests
Ubsunurskaya Kotlovina (Ubsunur Depression)
Ural montane forests and tundra
Vallazza
Valle del Mezzano, Valle Pega
Valle Vecchia - Zumelle - Valli di Bibione
VALLEE DE LA MEUSE
Valli del Mincio
Valli di Argenta
Valli di Comacchio
Valli Mirandolesi
Vessertal-Thuringian Forest Biosphere Reserve
Vesuvio e Monte Somma
Voronezhskiy Biosphere Reserve
Waddensea of Lower Saxony
Waddensea of Schleswig-Holstein
West Siberian taiga
Western European broadleaf forests
Western Siberian hemiboreal forests
Yancheng
Zempléni-hegység a Szerencsi-dombsággal és a Hernád-völggyel
ZONES AGRICOLES DE LA HARDT

Attributes / relations provided by
♦ 1Comparative breeding biology of Hen Harrier and Montagu’s Harrier: an 8-year study in north-eastern France, A. MILLON, J.-L. BOURRIOUX, C. RIOLS & V. BRETAGNOLLE, Ibis (2002), 144, 94–105
♦ 2DIET COMPOSITION OF THE LONG-EARED OWL IN SLOVENIA: SEASONAL VARIATION IN PREY USE, DAVORIN TOME, J Raptor Res. 28(4):253-258