Diet Overlap

Anas platyrhynchos (Mallard) Passer domesticus (House Sparrow)

Common Diet

Poa pratensis (Kentucky bluegrass)

Common Habitat

Acadia National Park Aegean and Western Turkey sclerophyllous and mixed forests Aggtelek Biosphere Reserve Al Wathba Wetland Reserve Alai-Western Tian Shan steppe Algonquin Provincial Park Alps conifer and mixed forests Altai alpine meadow and tundra Altai steppe and semi-desert Alto Golfo de California y Delta del Rio Colorado Amistad National Recreation Area Anatolian conifer and deciduous mixed forests Antietam National Battlefield Anza-Borrego Desert State Park, CA Apostle Islands National Lakeshore Appenine deciduous montane forests Arabian Desert and East Sahero-Arabian xeric shrublands Arabian Peninsula coastal fog desert Arches National Park Arkansas Post National Memorial Astrakhanskiy Biosphere Reserve Atlantic mixed forests Audubon National Wildlife Refuge Azerbaijan shrub desert and steppe Azraq Wetland Reserve Aztec Ruins National Monument Badghyz and Karabil semi-desert Badlands National Park BAHIA DE CADIZ Balkan mixed forests Baltic mixed forests Bandelier National Monument Banff National Park Barguzinskiy Biosphere Reserve Bayerischer Wald National Park Beaver Creek Biosphere Reserve Belovezhskaya Pushcha Biosphere Reserve Berchtesgaden Alps Berezinskiy Zapovednik Bialowieza National Park Bideford Bay Biosphere Reserve Big Bend Biosphere Reserve Big Cypress National Preserve Big Morongo Canyon Preserve Big Thicket Biosphere Reserve Bighorn Canyon National Recreation Area Blackwater National Wildlife Refuge Bombay Hook National Wildlife Refuge Bosco Fontana Brahmaputra Valley semi-evergreen forests Bruce Peninsula National Park Bryce Canyon National Park Buffalo National River Buxa Tiger Reserve CABO DE GATA-NIJAR Cabrillo National Monument Caerlaverock National Nature Reserve Cairnsmore of Fleet, Silver Flowe, and Merrick Kells Caledon conifer forests California Coast Ranges Biosphere Reserve Calvin College Ecosystem Preserve Cantabrian mixed forests Canyonlands National Park Cape Breton Highlands National Park Cape Cod National Seashore Cape Hatteras National Seashore Cape Lookout National Seashore Cape Peninsula National Park Cape Romain National Wildlife Refuge Capital Reef National Park Carlsbad Caverns National Park Carolinian-South Atlantic Biosphere Reserve Carpathian Carpathian montane forests Carrizo Plain Preserve Casa Grande National Monument Caspian Hyrcanian mixed forests Caspian lowland desert Catoctin Mountain Park Caucasus Caucasus mixed forests Cedar Creek LTER Site Celtic broadleaf forests Central Afghan Mountains xeric woodlands Central Anatolian deciduous forests Central Anatolian steppe Central Asian northern desert Central Asian riparian woodlands Central Asian southern desert Central Deccan Plateau dry deciduous forests Central European mixed forests Central Gulf Coastal Plain Biosphere Reserve Central Persian desert basins Central Plains Biosphere Reserve Central Tibetan Plateau alpine steppe Chaco Culture National Historical Park Champlain-Adirondack Biosphere Reserve Channel Islands National Marine Sanctuary Channel Islands National Park Chatham Island temperate forests Chattahoochee River National Recreation Area Chernye Zemli Biosphere Reserve Chesapeake & Ohio Canal National Hist. Park Chickasaw National Recreation Area Chippewa Nature Center Ciénaga de Zapata National Park Coachella Valley Preserve Codru (Kodry) Zapovednik Colonial National Historic Park Colorado National Monument Congaree Swamp National Park Corbett National Park Corsican montane broadleaf and mixed forests Cosumnes River Preserve Crater Lake National Park Craters of the Moon National Monument Creighton Ranch Preserve Crete Mediterranean forests Crimean Submediterranean forest complex Crosswinds Marsh Cumberland Island National Seashore Curecanti National Recreation Area Cuyahoga Valley National Park Cyprus Mediterranean forests Da Hinggan-Dzhagdy Mountains conifer forests Darvinsky Zapovednik Daurian forest steppe Daurskiy Biosphere Reserve De Soto National Wildlife Refuge Death Valley National Park Deccan thorn scrub forests Deer Flat National Wildlife Refuge DESFILADERO DE LOS GAITANES Dinaric Mountains mixed forests Dinosaur National Monument DOÑANA Dye Creek Preserve East European forest steppe Eastern Afromontane Eastern Anatolian deciduous forests Eastern Anatolian montane steppe Eastern Beskid Eastern Himalayan alpine shrub and meadows Eastern Himalayan broadleaf forests Eastern Mediterranean conifer-sclerophyllous-broadleaf forests Edwin S. George Reserve Effigy Mounds National Monument El Malpais National Monument Elk Island National Park Elkhorn Slough Preserve EMBALSE DE ARROCAMPO EMBALSE DE BORBOLLÓN EMBALSE DE LOS CANCHALES EMBALSE DE MONTIJO EMBALSE DE VALDECAÑAS EMBALSE DE VALUENGO Emin Valley steppe English Lowlands beech forests Euxine-Colchic broadleaf forests Farallon National Wildlife Refuge Fathom Five National Marine Park Felsenthal National Wildlife Refuge Fire Island National Seashore Flusslandschaft Elbe Biosphere Reserve Foret Domaniale du Circeo Forillon National Park Fort Larned National Historic Site Fort Pulaski National Monument Fossil Butte National Monument Fundy National Park Galichia Gora Zapovednik Gateway National Recreation Area George WA Carver National Monument George Washington Birthplace National Monument George Washington Memorial Parkway Georgian Bay Islands National Park Gessi Bolognesi, Calanchi dell'Abbadessa Gettysburg National Military Park Gissaro-Alai open woodlands Glen Canyon National Recreation Area Goadavari-Krishna mangroves Golden Gate National Recreation Area Grand Canyon National Park Grandfather Mountain Grasslands National Park Gray Lodge State Wildlife Area Great Basin National Park Great Smoky Mountains National Park Great Swamp National Wildlife Refuge Greenwater Provincial Park Guadalupe Mountains National Park Gulf of Oman desert and semi-desert Harpers Ferry National Historical Park Himalaya Himalayan subtropical broadleaf forests Homestead National Monument of America Hopewell Furnace National Historic Site Horn of Africa Horseshoe Bend National Military Park Hortobágy National Park Hot Springs National Park Hovenweep National Monument Hubbard Brook Biosphere Reserve Iberian conifer forests Iberian sclerophyllous and semi-deciduous forests Iceland boreal birch forests and alpine tundra Illyrian deciduous forests Indiana Dunes National Lakeshore Indo-Burma Indus River Delta-Arabian Sea mangroves Indus Valley desert Irano-Anatolian Irrawaddy dry forests Irrawaddy freshwater swamp forests Irrawaddy moist deciduous forests Isle of Rum National Nature Reserve Italian sclerophyllous and semi-deciduous forests Jasper National Park Jepson Prairie Preserve Joshua Tree National Park Junggar Basin semi-desert Kaloko-Honokohau National Historical Park Karadagskiy Zapovednik Karakoram-West Tibetan Plateau alpine steppe Karkonosze Kavkazskiy Biosphere Reserve Kaweah Oaks Preserve Kazakh upland Kellogg Biological Station LTER Site Keoladeo (Bharatpur) National Park Kern River Preserve Khathiar-Gir dry deciduous forests Khazar Zapovednik Killarney National Park Kiskunsag Biosphere Reserve Knife River Indian Villages National Hist. Site Konza Prairie Biosphere Reserve Kootenay National Park Kopet Dag semi-desert Kopet Dag woodlands and forest steppe Kouchibouguac National Park Krivoklatsko Protected Landscape Area Krkonose La Mauricie National Park Lacassine National Wildlife Refuge Laghetto del Frassino Lago di Mezzola e Pian di Spagna LAGUNA DE FUENTE DE PIEDRA Lake Meredith National Recreation Area Lake Roosevelt National Recreation Area Lake Superior Provincial Park Lake Torne Area Lal Suhanra National Park Land Between the Lakes Biosphere Reserve Laplandskiy Biosphere Reserve Lava Beds National Monument Lincoln Boyhood National Memorial Little St. Simons Island LLANOS DE ALCANTARA Y BROZAS LLANOS DE TRUJILLO LLANOS DE ZORITA Y EMBALSE DE SIERRA BRAVA Long Point Biosphere Reserve LOS ALCORNOCALES Lower Gangetic Plains moist deciduous forests Luberon Malabar Coast moist forests Manas National Park Manassas National Battlefield Park Manchurian mixed forests Marismas de Santoña y Noja Mediterranean acacia-argania dry woodlands and succulent thickets Mediterranean Basin Mediterranean dry woodlands and steppe Mediterranean High Atlas juniper steppe Mediterranean woodlands and forests Mesa Verde National Park Mesopotamian shrub desert Middle East steppe Mingan Archipelago National Park Reserve Mojave and Colorado Deserts Biosphere Reserve MONFRAGÜE Y LAS DEHESAS DEL ENTORNO Mongolian-Manchurian grassland Monticchie Morristown National Historical Park Mount Aspiring National Park Mountains of Central Asia Muir Woods National Monument Mujib Nature Reserve Myanmar coastal rain forests Narmada Valley dry deciduous forests National Capital Parks - Central National Capital Region - East Neusiedler See-Osterreichischer Teil New Jersey Pinelands Biosphere Reserve New River Gorge National River Nez Perce National Historical Park Niagara Escarpment Biosphere Reserve Norfolk Island North America North Atlantic moist mixed forests North Bull Island North Norfolk Coast Biosphere Reserve North Saharan steppe and woodlands North Tibetan Plateau-Kunlun Mountains alpine desert North Western Ghats moist deciduous forests Northeastern Spain and Southern France Mediterranean forests Northern Anatolian conifer and deciduous forests Northwest Iberian montane forests Northwestern thorn scrub forests Oak Ridge National Environmental Research Park Okefenokee National Wildlife Refuge Okskiy Biosphere Reserve Olympic Biosphere Reserve Organ Pipe Cactus Biosphere Reserve Orissa semi-evergreen forests Ozark National Scenic Riverways Pacific Rim National Park Reserve Padre Island National Seashore Paine Preserve Palava Protected Landscape Area Pamir alpine desert and tundra Pannonian mixed forests Parco Naturale Adamello Paropamisus xeric woodlands Paul do Boquilobo Biosphere Reserve Pechoro-Ilychskiy Biosphere Reserve Persian Gulf desert and semi-desert Philip L. Boyd Deep Canyon Desert Research Center Pictured Rocks National Lakeshore Pindus Mountains mixed forests Pinnacles National Monument Pipe Spring National Monument Pipestone National Monument Po Basin mixed forests Point Pelee National Park Point Reyes National Seashore Polana Biosphere Reserve Pong Lake Sanctuary Pontic steppe Prespa National Park Prince Albert National Park Prince Edward Island National Park Prioksko-Terrasny Biosphere Reserve Pukaskwa National Park PUNTA ENTINAS-SABINAR Pyrenees conifer and mixed forests Qaidam Basin semi-desert Rajaji National Park Rann of Kutch seasonal salt marsh Red Sea Nubo-Sindian tropical desert and semi-desert Redberry Lake Biosphere Reserve Redwood National Park Registan-North Pakistan sandy desert Reserva de la Biosfera de Urdaibai Reserva de la Biosfera Sierra Gorda Reserva de la Michilia Reserva de Mapimi Reserve de la Biosphere des Vosges du Nord Reserve Nationale de Camargue Biosphere Reserve Reserve Srebarna RIBEROS DEL ALMONTE Riding Mountain Biosphere Reserve RIO TAJO INTERNACIONAL Y RIBEROS Riserva Regionale Bosco Ronchetti Riserva Regionale Lanca di Gerole Rock Creek Park Rocky Mountain Biosphere Reserve Rodope montane mixed forests Rondeau Provincial Park Royal Chitwan National Park Ruegen S'Albufera de Mallorca S'Albufera des Grau Sahara desert Saint Croix International Historic Site Saint Lawrence Islands National Park Saint-Gaudens National Historic Site Salminlahti Salt Plains National Wildlife Refuge Samuel P. Taylor State Park San Dimas Biosphere Reserve San Joaquin Biosphere Reserve San Juan Island National Historical Park Santa Cruz Island Preserve Santa Monica Mountains National Recreation Area Saratoga National Historical Park Sarmatic mixed forests Sayan Alpine meadows and tundra Scandinavian and Russian taiga Scandinavian coastal conifer forests Scandinavian Montane Birch forest and grasslands Scotts Bluff National Monument Sequoia and Kings Canyon Biosphere Reserve Ses Salines d'Eivissa i Formentera Shortgrass Steppe LTER Site SIERRA DE GATA Y VALLE DE LAS PILAS SIERRA NEVADA SIERRAS CENTRALES Y EMBALSE DE ALANGE SIERRAS DE CAZORLA, SEGURA Y LAS VILLAS Sleeping Bear Dunes National Lakeshore Sokhondinskiy Biosphere Reserve South Appenine mixed montane forests South Atlantic Coastal Plain Biosphere Reserve South Iran Nubo-Sindian desert and semi-desert Southeastern Iberian shrubs and woodlands Southern Anatolian montane conifer and deciduous forests Southern Appalachian Biosphere Reserve Southwest Iberian Mediterranean sclerophyllous and mixed forests Southwestern Arabian foothills savanna St. Kilda National Nature Reserve Sumava Biosphere Reserve Taklimakan desert Tawas Point State Park Tennessee River Gorge Terai-Duar savanna and grasslands Thar desert Tian Shan foothill arid steppe Tian Shan montane conifer forests Tian Shan montane steppe and meadows Tigris-Euphrates alluvial salt marsh Tongariro National Park Tonto National Monument Torbiere d'Iseo Trebon Basin Protected Landscape Area Triglav National Park Tsentral'no-Chernozemny Biosphere Reserve Tsentral'no-Lesnoy Biosphere Reserve Tsentral'no-Sibirskiy Biosphere Reserve Tyrrhenian-Adriatic sclerophyllous and mixed forests Ubsunurskaya Kotlovina (Ubsunur Depression) Upper Gangetic Plains moist deciduous forests Upper Miss. River Nat'l Wildlife Refuge Vallazza Valley Forge National Historical Park Vessertal-Thuringian Forest Biosphere Reserve Vicksburg National Military Park Virginia Coast Biosphere Reserve Voronezhskiy Biosphere Reserve Voyageurs National Park Waddensea of Lower Saxony Waddensea of Schleswig-Holstein Wapusk National Park Waterton Biosphere Reserve West Coast National Park Western European broadleaf forests Western Ghats and Sri Lanka Western Himalayan alpine shrub and meadows Western Michigan University’s Asylum Lake Wheeler National Wildlife Refuge Whiskey-Shasta-Trinity National Recreation Area White Sands National Monument Wilson's Creek National Battlefield Wind Cave National Park Wood Buffalo National Park Yarlung Tsangpo arid steppe Yellowstone Biosphere Reserve Yoho National Park Yosemite National Park Zagros Mountains forest steppe Zion National Park