Diet Overlap

Circus pygargus (Montagu's Harrier)
Mustela nivalis (Least Weasel)

Common Diet

Microtus arvalis (common vole)

Common Habitat

Aggtelek Biosphere Reserve
Alai-Western Tian Shan steppe
Alpi Marittime
Alto Garda Bresciano
AMVRAKIKOS KOLPOS, DELTA LOUROU KAI ARACHTHOU (PETRA, MYTIKAS, EVRYTERI PERIOCHI)
AMVRAKIKOS KOLPOS, LIMNOTHALASSA KATAFOURKO KAI KORAKONISIA
Anatolian conifer and deciduous mixed forests
ANTICHASIA ORI KAI METEORA
Appenine deciduous montane forests
Atlantic mixed forests
Azerbaijan shrub desert and steppe
Badghyz Zapovednik
Balkan mixed forests
Baltic mixed forests
Belovezhskaya Pushcha Biosphere Reserve
Berezinskiy Zapovednik
Bialowieza National Park
Bideford Bay Biosphere Reserve
Biotopo Ahrau di Stegona
Biotopo Ontaneto di Sluderno
Biviere di Lentini, tratto mediano e foce del Fiume Simeto e area antistante la foce
Boschi del Ticino
Bosco Nordio
CABO DE GATA-NIJAR
Calamocarro-Benzú
Campazzi di Onigo
Cantabrian mixed forests
Capanne di Marcarolo
Carpathian montane forests
Caspian Hyrcanian mixed forests
Caspian lowland desert
Castelnuovo Bocca d'Adda
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
Chernye Zemli Biosphere Reserve
Crimean Submediterranean forest complex
Darvinsky Zapovednik
DELTA EVROU
DELTA EVROU KAI DYTIKOS VRACHIONAS
Dinaric Mountains mixed forests
Dolina Dolnej Pilicy
Dolina Pilicy
Dolina Rawki
Dolna Odra
East European forest steppe
Eastern Anatolian deciduous forests
Eastern Anatolian montane steppe
Eastern Beskid
Emin Valley steppe
English Lowlands beech forests
ETHNIKOS DRYMOS PRESPON
Flusslandschaft Elbe Biosphere Reserve
Foret Domaniale du Circeo
Galichia Gora Zapovednik
Garzaie del Parco Adda Sud
Gissaro-Alai open woodlands
Great Lakes Basin desert steppe
Herpfer Wald - Berkeser Wald - Stillberg
Hortobágy National Park
Iberian conifer forests
Iberian sclerophyllous and semi-deciduous forests
Illyrian deciduous forests
Irano-Anatolian
Italian sclerophyllous and semi-deciduous forests
Kaplankyr Zapovednik
Kazakh forest steppe
Kazakh semi-desert
Kazakh steppe
Kazakh upland
KEFALONIA: AINOS, AGIA DYNATI KAI KALON OROS
Khazar Zapovednik
Kiskunsag Biosphere Reserve
KOILADA TIMIOU PRODROMOU-MENOIKION
Kopetdagh Zapovednik
KORYFES OROUS MENOIKION - OROS KOUSKOURAS - YPSOMA
Krkonose
L-Ghadira Area
LA SERENA Y SIERRAS PERIFÉRICAS
Lago Pantano di Pignola
Lago S. Giuliano e Timmari
Lanca di Gussola
Le Vallette
LIMNES KAI LIMNOTHALASSES TIS THRAKIS - EVRYTERI PERIOCHI KAI PARAKTIA ZONI
LIMNES VISTONIS, ISMARIS - LIMNOTHALASSES PORTO LAGOS, ALYKI PTELEA, XIROLIMNI, KARATZA
LIMNOTHALASSA KALOGRIAS, DASOS STROFYLIAS KAI ELOS LAMIAS, ARAXOS
Luberon
Mediterranean Basin
Mediterranean dry woodlands and steppe
Mediterranean woodlands and forests
Monti Nebrodi
Monti Peloritani, Dorsale Curcuraci, Antennamare e area marina dello stretto di Messina
Monticchie
Mountains of Central Asia
North Norfolk Coast
Northeastern Spain and Southern France Mediterranean forests
Northwest Iberian montane forests
Okskiy Biosphere Reserve
ORI TZENA KAI PINOVO
OROS CHELMOS (AROANIA) - FARANGI VOURAIKOU KAI PERIOCHI KALAVRYTON
OROS CHOLOMONTAS
Ostoja Knyszynska
Ostoja Nidzianska
Ostoja Przedborska
Ostoja Wigierska
Pannonian mixed forests
Pantani della Sicilia sud-orientale, Morghella, di Marzamemi, di Punta Pilieri e Vendicari
Parco Del Cilento e Vallo de Diano
Parco Regionale Oglio Sud
Paul do Boquilobo Biosphere Reserve
Pechoro-Ilychskiy Biosphere Reserve
Pindus Mountains mixed forests
Po Basin mixed forests
Polana Biosphere Reserve
Pontic steppe
Prai di Castello di Godego
Prespa National Park
Prioksko-Terrasny Biosphere Reserve
Przelomowa Dolina Narwi
PUNTA ENTINAS-SABINAR
Puszcza Bialowieska
Puszcza Kampinoska
Pyrenees conifer and mixed forests
Repetek Biosphere Reserve
Reserva de la Biosfera de Doñana
Reserve de la Biosphere des Vosges du Nord
Reserve Nationale de Camargue Biosphere Reserve
Reserve Srebarna
Risaie della Lomellina
Riserva Regionale Bosco dei Bordighi
Riserva Regionale Bosco Ronchetti
Riserva Regionale Fontanile Nuovo
Riserva Regionale Lanca di Gerole
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
Sierra Espuña
SIERRA PELADA Y RIVERA DEL ASERRADOR
Somiedo
South Siberian forest steppe
Southeastern Iberian shrubs and woodlands
Southern Anatolian montane conifer and deciduous forests
Southwest Iberian Mediterranean sclerophyllous and mixed forests
Spinadesco
Spreewald
Syunt-Khasardagh Zapovednik
Taklimakan desert
The New Forest
Tian Shan foothill arid steppe
Tian Shan montane conifer forests
Tian Shan montane steppe and meadows
Torrente Orba
Trebon Basin Protected Landscape Area
Trzebiatowsko-Kolobrzeski Pas Nadmorski
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
Valle Basento - Ferrandina Scalo
Vessertal-Thuringian Forest Biosphere Reserve
Viadana, Portiolo, San Benedetto Po e Ostiglia
Voronezhskiy Biosphere Reserve
VOUNA EVROU
Waddensea of Lower Saxony
Werra bis Treffurt mit Zuflüssen
West Siberian taiga
Western European broadleaf forests
Western Siberian hemiboreal forests
Wolin i Uznam
YGROTOPOS EKVOLON KALAMA KAI NISOS PRASOUDI
Zagros Mountains forest steppe

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