Diet Overlap

Circus pygargus (Montagu's Harrier)
Mustela erminea (Ermine)

Common Diet

Microtus arvalis (common vole)

Common Habitat

Adutiskis-Svyla-Birveta wetland complex
Aggtelek Biosphere Reserve
Alam-Pedja
Alpi Marittime
Alpi Veglia e Devero - Monte Giove
Alte Valli Stura e Maira
Alto Garda Bresciano
Astrakhanskiy Biosphere Reserve
Atlantic mixed forests
Balkan mixed forests
Baltic mixed forests
Belovezhskaya Pushcha Biosphere Reserve
Berezinskiy Zapovednik
Bialowieza National Park
Bideford Bay Biosphere Reserve
Cantabrian mixed forests
Carpathian montane forests
Caspian lowland desert
Celtic broadleaf forests
Central Asian northern desert
Central Asian riparian woodlands
Central European mixed forests
Chelmskie Torfowiska Weglanowe
Darvinsky Zapovednik
Dinaric Mountains mixed forests
Dolina Dolnej Pilicy
Dolina Pilicy
Dolna Odra
East European forest steppe
Eastern Beskid
Emin Valley steppe
English Lowlands beech forests
Engures ezers
Fenland
Gissaro-Alai open woodlands
Great Lakes Basin desert steppe
Herpfer Wald - Berkeser Wald - Stillberg
Himalaya
Hortobágy National Park
Iberian conifer forests
Iberian sclerophyllous and semi-deciduous forests
Illyrian deciduous forests
Italian sclerophyllous and semi-deciduous forests
Jezioro Oswin i okolice
Kazakh forest steppe
Kazakh semi-desert
Kazakh steppe
Kazakh upland
Kis-Sárrét
Kiskunsag Biosphere Reserve
Kiskunsági szikes tavak és az õrjegi turjánvidék
Krkonose
Lasy Janowskie
Mediterranean Basin
Montesinho/Nogueira
Mountains of Central Asia
North Norfolk Coast
Northeastern Spain and Southern France Mediterranean forests
Northwest Iberian montane forests
Northwestern thorn scrub forests
Okskiy Biosphere Reserve
Ostoja Przedborska
Ostoja Wigierska
Pannonian mixed forests
Pechoro-Ilychskiy Biosphere Reserve
Po Basin mixed forests
Polana Biosphere Reserve
Pontic steppe
Prioksko-Terrasny Biosphere Reserve
Przelomowa Dolina Narwi
Puszcza Bialowieska
Puszcza Kampinoska
Pyrenees conifer and mixed forests
Reserve de la Biosphere des Vosges du Nord
Rodope montane mixed forests
Salisbury Plain
Sarmatic mixed forests
Sayan Alpine meadows and tundra
Sayan Intermontane steppe
Sayan montane conifer forests
Scandinavian and Russian taiga
Schorfheide-Chorin
Schweinaer Grund - Zechsteingürtel um Bad Liebenstein
South Siberian forest steppe
Spreewald
Taklimakan desert
Teicu dabas rezervats
Tian Shan foothill arid steppe
Tian Shan montane conifer forests
Tian Shan montane steppe and meadows
Torfowiska Chelmskie
Trebon Basin Protected Landscape Area
Tsentral'no-Chernozemny Biosphere Reserve
Tsentral'no-Lesnoy Biosphere Reserve
Ubsunurskaya Kotlovina (Ubsunur Depression)
Ural montane forests and tundra
Vessertal-Thuringian Forest Biosphere Reserve
Voronezhskiy Biosphere Reserve
Waddensea of Lower Saxony
Werra bis Treffurt mit Zuflüssen
West Siberian taiga
Western European broadleaf forests
Western Siberian hemiboreal forests
Wolin i Uznam
Zámolyi-medence

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
2Ecology of Commanster