Diet Overlap

Anas platyrhynchos (Mallard) Vulpes vulpes (Red Fox)

Common Diet

Eurycea guttolineata (Three-lined Salamander) Lymantria dispar (gypsy moth) Quercus phellos (Willow Oak) Quercus velutina (Black Oak)

Common Habitat

Acadia National Park Aegean and Western Turkey sclerophyllous and mixed forests Africa Agate Fossil Beds National Monument Aggtelek Biosphere Reserve Akyatan Lagoon Al Wathba Wetland Reserve Alai-Western Tian Shan steppe Alashan Plateau semi-desert Alaska Peninsula montane taiga Alaska-St. Elias Range tundra Alberta Mountain forests Alberta-British Columbia foothills forests Algonquin Provincial Park Allegheny Highlands forests Alps conifer and mixed forests Altai alpine meadow and tundra Altai montane forest and forest steppe Altai steppe and semi-desert Amudarya Zapovednik Amur meadow steppe Anatolian conifer and deciduous mixed forests Antietam National Battlefield Appalachian mixed mesophytic forests Appalachian-Blue Ridge forests Appenine deciduous montane forests Arabian Desert and East Sahero-Arabian xeric shrublands Arabian Peninsula coastal fog desert Arctic coastal tundra Arctic foothills tundra Arctic National Wildlife Refuge Assateague Island National Seashore Astrakhanskiy Biosphere Reserve Atlantic coastal pine barrens Atlantic mixed forests Audubon National Wildlife Refuge Azerbaijan shrub desert and steppe Azraq Wetland Reserve Badghyz and Karabil semi-desert Badghyz Zapovednik Badlands National Park Baikalo-Lensky Zapovednik Baikalskiy Biosphere Reserve Balkan mixed forests Baltic mixed forests Bandelier National Monument Banff National Park Barguzinskiy Biosphere Reserve Bayerischer Wald National Park Belovezhskaya Pushcha Biosphere Reserve Berchtesgaden Alps Berezinskiy Zapovednik Beringia lowland tundra Beringia upland tundra Bialowieza National Park Bideford Bay Biosphere Reserve Big Cypress National Preserve Big Thicket Biosphere Reserve Bighorn Canyon National Recreation Area Biotopo Delta del Valsura Blackwater National Wildlife Refuge Blue Mountains forests Bohai Sea saline meadow Bombay Hook National Wildlife Refuge Bonanza Creek LTER Site British Columbia mainland coastal forests Brooks-British Range tundra Bruce Peninsula National Park Buffalo National River CABO DE GATA-NIJAR Cairnsmore of Fleet, Silver Flowe, and Merrick Kells Caledon conifer forests California Central Valley grasslands California coastal sage and chaparral California Floristic Province California interior chaparral and woodlands California montane chaparral and woodlands Calvin College Ecosystem Preserve Canadian Aspen forests and parklands Cantabrian mixed forests Canyonlands National Park Cape Breton Highlands National Park Cape Cod National Seashore Cape Romain National Wildlife Refuge Capital Reef National Park Carolinian-South Atlantic Biosphere Reserve Carpathian Carpathian montane forests Carrizo Plain Preserve Cascade Mountains leeward forests Caspian Hyrcanian mixed forests Caspian lowland desert Catoctin Mountain Park Caucasus Caucasus mixed forests Celtic broadleaf forests Central Afghan Mountains xeric woodlands Central Anatolian deciduous forests Central Anatolian steppe Central and Southern Cascades forests Central and Southern mixed grasslands Central Asian northern desert Central Asian riparian woodlands Central Asian southern desert Central British Columbia Mountain forests Central Canadian Shield forests Central China loess plateau mixed forests Central Deccan Plateau dry deciduous forests Central European mixed forests Central forest-grasslands transition Central Gulf Coastal Plain Biosphere Reserve Central Korean deciduous forests Central Pacific coastal forests Central Persian desert basins Central Plains Biosphere Reserve Central tall grasslands Central Tibetan Plateau alpine steppe Central U.S. hardwood forests Champlain-Adirondack Biosphere Reserve Changbai Mountains mixed forests Changjiang Plain evergreen forests Chattahoochee River National Recreation Area Chernye Zemli Biosphere Reserve Cherskii-Kolyma mountain tundra Chickasaw National Recreation Area Chilterns Beechwoods Chippewa Nature Center Codru (Kodry) Zapovednik Colonial National Historic Park Colorado Plateau shrublands Colorado Rockies forests Cook Inlet taiga Copper Plateau taiga Corsican montane broadleaf and mixed forests Craters of the Moon National Monument Crimean Submediterranean forest complex Cuyahoga Valley National Park Da Hinggan-Dzhagdy Mountains conifer forests Daba Mountains evergreen forests Danube Delta Biosphere Reserve Darvinsky Zapovednik Daurian forest steppe Daurskiy Biosphere Reserve De Soto National Wildlife Refuge Deer Flat National Wildlife Refuge Denali Biosphere Reserve Devils Tower National Monument Dinaric Mountains mixed forests Dinosaur National Monument Dornoch Firth and Morrich More Dyfi National Nature Reserve East Central Texas forests East European forest steppe East Siberian taiga Eastern Afromontane Eastern Anatolian deciduous forests Eastern Anatolian montane steppe Eastern Beskid Eastern Canadian Shield taiga Eastern Cascades forests Eastern forest-boreal transition Eastern Gobi desert steppe Eastern Great Lakes lowland forests Eastern Himalayan alpine shrub and meadows Eastern Himalayan broadleaf forests Eastern Mediterranean conifer-sclerophyllous-broadleaf forests Edwards Plateau savanna Edwin S. George Reserve Effigy Mounds National Monument Elk Island National Park Elkhorn Slough Preserve Emin Valley steppe English Lowlands beech forests Europe & Northern Asia (excluding China) Euxine-Colchic broadleaf forests Everglades Fathom Five National Marine Park Felsenthal National Wildlife Refuge Fire Island National Seashore Firth of Tay & Eden Estuary Fiume Po - tratto vercellese alessandrino Flint Hills tall grasslands Florida sand pine scrub Flusslandschaft Elbe Biosphere Reserve Foresta Gallipoli - Cognato Foret Domaniale du Circeo Forillon National Park Fort Necessity National Battlefield Fraser Biosphere Reserve Fraser Plateau and Basin complex Friendship Hill National Historic Site Fujian Wuyishan Nature Reserve Fundy National Park Galichia Gora Zapovednik Garzaia della Carola Garzaia di Cascina Villarasca Gates of the Arctic National Park Gateway National Recreation Area George WA Carver National Monument George Washington Memorial Parkway Georgian Bay Islands National Park Gettysburg National Military Park Gissaro-Alai open woodlands Goadavari-Krishna mangroves Gobi Lakes Valley desert steppe Grand Teton National Park Grasslands National Park Great Basin montane forests Great Basin shrub steppe Great Lakes Basin desert steppe Great Swamp National Wildlife Refuge Greenwater Provincial Park Guizhou Plateau broadleaf and mixed forests Gulf of Oman desert and semi-desert Gulf of St. Lawrence lowland forests Hainan Island monsoon rain forests Helanshan montane conifer forests Hengduan Mountains subalpine conifer forests Himalaya Himalayan subtropical broadleaf forests Hokkaido deciduous forests Hokkaido montane conifer forests Homestead National Monument of America Honshu alpine conifer forests Hope College Biology Nature Preserve Hopewell Furnace National Historic Site Horn of Africa Horseshoe Bend National Military Park Hortobágy National Park Hot Springs National Park Huang He Plain mixed forests Hubbard Brook Biosphere Reserve Iberian conifer forests Iberian sclerophyllous and semi-deciduous forests Illyrian deciduous forests Indiana Dunes National Lakeshore Indo-Burma Indus River Delta-Arabian Sea mangroves Indus Valley desert Interior Alaska-Yukon lowland taiga Interior Yukon-Alaska alpine tundra Irano-Anatolian Irrawaddy dry forests Irrawaddy moist deciduous forests Isle Royale Biosphere Reserve Italian sclerophyllous and semi-deciduous forests Ivvavik National Park Japan Jasper National Park Jian Nan subtropical evergreen forests Junggar Basin semi-desert Kamchatka Mountain tundra and forest tundra Kamchatka-Kurile meadows and sparse forests Kamchatka-Kurile taiga Karadagskiy Zapovednik Karakoram-West Tibetan Plateau alpine steppe Karkonosze Katunsky Biosphere Reserve Kavkazskiy Biosphere Reserve Kazakh forest steppe Kazakh semi-desert Kazakh steppe Kazakh upland Kejimkujik Seaside Adjunct Khangai Mountains alpine meadow Khangai Mountains conifer forests Khathiar-Gir dry deciduous forests Khazar Zapovednik Kiskunsag Biosphere Reserve Kivach Zapovednik Klamath-Siskiyou forests Kluane National Park and Reserve Knife River Indian Villages National Hist. Site Komsomolsky Zapovednik Kopet Dag semi-desert Kopet Dag woodlands and forest steppe Kouchibouguac National Park Krkonose Kronotskiy Biosphere Reserve La Mauricie National Park Lacassine National Wildlife Refuge Lago del Rendina Lago Pantano di Pignola Lake Chelan National Recreation Area Lake Meredith National Recreation Area Lake Superior Provincial Park Lake Torne Area Lal Suhanra National Park Land Between the Lakes Biosphere Reserve Laplandskiy Biosphere Reserve Lassen Volcanic National Park Lava Beds National Monument Lincoln Boyhood National Memorial Little River National Wildlife Refuge Long Point Biosphere Reserve Lower Gangetic Plains moist deciduous forests Luberon Lukajno Lake Reserve Magadansky Zapovednik Malaya Sozva Zapovednik Mammoth Cave Area Biosphere Reserve (Natn'l Park) Manchurian mixed forests Mediterranean acacia-argania dry woodlands and succulent thickets Mediterranean Basin Mediterranean conifer and mixed forests Mediterranean dry woodlands and steppe Mediterranean High Atlas juniper steppe Mediterranean woodlands and forests Mesa Verde National Park Mesopotamian shrub desert Mid-Continental Canadian forests Middle Atlantic coastal forests Middle East steppe Midwestern Canadian Shield forests Mingan Archipelago National Park Reserve Mississippi lowland forests Mongolian-Manchurian grassland Montana Valley and Foothill grasslands Monte Vulture Monticchie Moor House-Upper Teesdale Biosphere Reserve Morristown National Historical Park Mount Rainier National Park Mountains of Central Asia Mountains of Southwest China Mujib Nature Reserve Muskwa-Slave Lake forests Myanmar coastal rain forests Nahanni National Park Reserve Narmada Valley dry deciduous forests Nebraska Sand Hills mixed grasslands Nenjiang River grassland New England-Acadian forests Niagara Escarpment Biosphere Reserve Nihonkai evergreen forests Nihonkai montane deciduous forests Noatak Biosphere Reserve North America North Atlantic moist mixed forests North Central Rockies forests North Norfolk Coast Biosphere Reserve North Saharan steppe and woodlands North Tibetan Plateau-Kunlun Mountains alpine desert Northeast China Plain deciduous forests Northeast Siberian taiga Northeastern coastal forests Northeastern Himalayan subalpine conifer forests Northeastern Spain and Southern France Mediterranean forests Northern Anatolian conifer and deciduous forests Northern Canadian Shield taiga Northern Cordillera forests Northern Indochina subtropical forests Northern mixed grasslands Northern Pacific coastal forests Northern short grasslands Northern tall grasslands Northern transitional alpine forests Northwest Iberian montane forests Northwest Russian-Novaya Zemlya tundra Northwest Territories taiga Northwestern thorn scrub forests Nujiang Langcang Gorge alpine conifer and mixed forests Oak Ridge National Environmental Research Park Ogilvie-MacKenzie alpine tundra Okanagan dry forests Okefenokee National Wildlife Refuge Okhotsk-Manchurian taiga Okskiy Biosphere Reserve Olympic Biosphere Reserve Ontaneti dell'Aurino Ordos Plateau steppe Orissa semi-evergreen forests Ozark Mountain forests Ozark National Scenic Riverways Pacific Coastal Mountain icefields and tundra Palava Protected Landscape Area Palouse grasslands Pamir alpine desert and tundra Pannonian mixed forests Parco Del Cilento e Vallo de Diano Parco Naturale Adamello Paropamisus xeric woodlands Paul do Boquilobo Biosphere Reserve Pechoro-Ilychskiy Biosphere Reserve Persian Gulf desert and semi-desert Petrified Forest National Park Pindus Mountains mixed forests Piney Woods forests Pipestone National Monument Po Basin mixed forests Point Pelee National Park Point Reyes National Seashore Polana Biosphere Reserve Polar Bear Provincial Park Pong Lake Sanctuary Pontic steppe Prespa National Park Prince Albert National Park Prince Edward Island National Park Prioksko-Terrasny Biosphere Reserve Puget lowland forests Pukaskwa National Park PUNTA ENTINAS-SABINAR Pyrenees conifer and mixed forests Qaidam Basin semi-desert Qilian Mountains conifer forests Qilian Mountains subalpine meadows Qin Ling Mountains deciduous forests Qionglai-Minshan conifer forests Rann of Kutch seasonal salt marsh Red Sea Nubo-Sindian tropical desert and semi-desert Redberry Lake Biosphere Reserve Registan-North Pakistan sandy desert Reserva de la Biosfera de Doñana Reserva de la Biosfera de Urdaibai Reserve de la Biosphere des Vosges du Nord Reserve Nationale de Camargue Biosphere Reserve Reserve Srebarna Richmond National Battlefield Park Riding Mountain Biosphere Reserve Risaie della Lomellina Riserva Regionale Lanca di Gerole Rocky Mountain Biosphere Reserve Rodope montane mixed forests Rondeau Provincial Park Roosevelt Vanderbilt National Historic Site Ruegen Sahara desert Sahelian Acacia savanna Saint Lawrence Islands National Park Santa Monica Mountains National Recreation Area Saratoga National Historical Park Sarmatic mixed forests Sayan Alpine meadows and tundra Sayan Intermontane steppe Sayan montane conifer forests Scandinavian and Russian taiga Scandinavian coastal conifer forests Scandinavian Montane Birch forest and grasslands Schorfheide-Chorin Scotts Bluff National Monument Sefton Coast Selenge-Orkhon forest steppe Sequoia and Kings Canyon Biosphere Reserve Shiga Highland Shortgrass Steppe LTER Site Sichuan Basin evergreen broadleaf forests Sierra Nevada forests Sikhote-Alinskiy Biosphere Reserve Sirmilik National Park Sleeping Bear Dunes National Lakeshore Snake-Columbia shrub steppe Sokhondinskiy Biosphere Reserve South Appenine mixed montane forests South Central Rockies forests South China-Vietnam subtropical evergreen forests South Iran Nubo-Sindian desert and semi-desert South Pennine Moors South Saharan steppe and woodlands South Siberian forest steppe Southeast Tibet shrub and meadows Southeastern conifer forests Southeastern Iberian shrubs and woodlands Southeastern mixed forests Southern Anatolian montane conifer and deciduous forests Southern Appalachian Biosphere Reserve Southern Asia Southern Great Lakes forests Southern Hudson Bay taiga Southern Korea evergreen forests Southwest Iberian Mediterranean sclerophyllous and mixed forests Southwestern Arabian foothills savanna Spreewald Suiphun-Khanka meadows and forest meadows Taiheiyo evergreen forests Taiheiyo montane deciduous forests Taklimakan desert Tarim Basin deciduous forests and steppe Taynish National Nature Reserve Tennessee River Gorge Terai-Duar savanna and grasslands Texas blackland prairies Thar desert Tian Shan foothill arid steppe Tian Shan montane conifer forests Tian Shan montane steppe and meadows Tibetan Plateau alpine shrub and meadows Tigris-Euphrates alluvial salt marsh Torngat Mountain tundra Trans-Baikal Bald Mountain tundra Trans-Baikal conifer forests Trebon Basin Protected Landscape Area Triglav National Park Tsentral'no-Chernozemny Biosphere Reserve Tsentral'no-Lesnoy Biosphere Reserve Tsentral'no-Sibirskiy Biosphere Reserve Tuktut Nogait National Park Tyrrhenian-Adriatic sclerophyllous and mixed forests Ubsunurskaya Kotlovina (Ubsunur Depression) Upper Gangetic Plains moist deciduous forests Upper Midwest forest-savanna transition Upper Miss. River Nat'l Wildlife Refuge Ural montane forests and tundra Ussuri broadleaf and mixed forests Valle Basento Grassano Scalo - Grottole Valley Forge National Historical Park Vessertal-Thuringian Forest Biosphere Reserve Voronezhskiy Biosphere Reserve Voyageurs National Park Vuntut National Park Waddensea of Lower Saxony Wapusk National Park Wasatch and Uinta montane forests Waterton Biosphere Reserve West Siberian taiga Western European broadleaf forests Western Great Lakes forests Western Gulf Coastal grasslands Western Himalayan alpine shrub and meadows Western Himalayan broadleaf forests Western Michigan University’s Asylum Lake Western short grasslands Western Siberian hemiboreal forests Wheeler National Wildlife Refuge Whiskey-Shasta-Trinity National Recreation Area Willamette Valley forests Winisk River Provincial Park Wolong Nature Reserve Wood Buffalo National Park Woodland Caribou Provincial Wilderness Park Wrangell-St. Elias National Park and Preserve Wyoming Basin shrub steppe Yarlung Tsangpo arid steppe Yellow Sea saline meadow Yellowstone Biosphere Reserve Yosemite National Park Yukon Interior dry forests Yunnan Plateau subtropical evergreen forests Zagros Mountains forest steppe Zion National Park