Diet Overlap

Hirundo rustica (Barn Swallow) Troglodytes troglodytes (Eurasian Wren)

Common Diet

Mesembrina meridiana (Mid-day Fly) Stenurella melanura

Common Habitat

Acadia National Park Aegean and Western Turkey sclerophyllous and mixed forests Aggtelek Biosphere Reserve Ailaoshan Nature Reserve AISTHITIKO DASOS KALAVRYTON Alai-Western Tian Shan steppe Alashan Plateau semi-desert Alaska-St. Elias Range tundra Alberta Mountain forests Alberta-British Columbia foothills forests Aleutian Islands Biosphere Reserve Algonquin Provincial Park Allegheny Highlands forests Alpár-bokrosi tisza-ártéri öblözet Alps conifer and mixed forests Alsó-Tisza-völgy Altai alpine meadow and tundra Altai montane forest and forest steppe Altai steppe and semi-desert Alte Valli Stura e Maira ALTO CINCA Alto Garda Bresciano Amur meadow steppe Anatolian conifer and deciduous mixed forests Antietam National Battlefield Anza-Borrego Desert State Park, CA Apostle Islands National Lakeshore Appalachian mixed mesophytic forests Appalachian-Blue Ridge forests Appenine deciduous montane forests Arabian Desert and East Sahero-Arabian xeric shrublands Arizona Mountains forests Arkansas Post National Memorial Assateague Island National Seashore Astrakhanskiy Biosphere Reserve Atlantic coastal pine barrens Atlantic mixed forests Azerbaijan shrub desert and steppe Azumayama Forest Babia Góra National Park Bacini ex-zuccherificio di Argelato e Golena del Fiume Reno Bagni di Masino - Pizzo Badile - Val di Mello - Val Torrone - Piano di Preda Rossa Baimaxueshan Nature Reserve Balástya–Szatymaz környéki homokvidék Balkan mixed forests Baltic mixed forests Bandelier National Monument Banff National Park Barguzinskiy Biosphere Reserve Basso Taro Beinn Eighe National Nature 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 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 Bishop Pine Preserve Blackbeard Island National Wildlife Refuge Blackwater National Wildlife Refuge Bocca di Caset Bohai Sea saline meadow Bombay Hook National Wildlife Refuge Boschi del Ticino Bosco della Mesola, Bosco Panfilia, Bosco di Santa Giustina, Valle Falce, La Goara British Columbia mainland coastal forests Bruce Peninsula National Park Bryce Canyon National Park Buffalo National River CABO DE GATA-NIJAR Cabrillo National Monument Caerlaverock National Nature Reserve Cairnsmore of Fleet, Silver Flowe, and Merrick Kells Calamocarro-Benzú Caledon conifer forests California Central Valley grasslands California Coast Ranges Biosphere Reserve California coastal sage and chaparral California Floristic Province California interior chaparral and woodlands California montane chaparral and woodlands Canneti del Lago Maggiore Cantabrian mixed forests Canyonlands National Park Cap Enderrocat-cap Blanc Cape Breton Highlands National Park Cape Cod National Seashore Cape Hatteras National Seashore Cape Lookout National Seashore Cape Romain National Wildlife Refuge Capital Reef National Park Carlsbad Caverns National Park Carolinian-South Atlantic Biosphere Reserve Carpathian Carpathian montane forests Cascade Mountains leeward forests 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 and Southern mixed grasslands Central British Columbia Mountain forests Central Canadian Shield forests Central China loess plateau mixed forests Central European mixed forests Central forest-grasslands transition Central Gulf Coastal Plain Biosphere Reserve Central Pacific coastal forests Central Tibetan Plateau alpine steppe Central U.S. hardwood forests Champlain-Adirondack Biosphere Reserve Changbai Mountains mixed forests Changjiang Plain evergreen forests Channel Islands National Marine Sanctuary Channel Islands National Park Chattahoochee River National Recreation Area Chernye Zemli Biosphere Reserve Chilterns Beechwoods Chippewa Nature Center Codru (Kodry) Zapovednik Colonial National Historic Park Congaree Swamp National Park Corbett National Park Corsican montane broadleaf and mixed forests Coweeta Hydrologic Laboratory LTER Site 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 Cuyahoga Valley National Park Cyprus Mediterranean forests D'Addaia a s'Albufera Da Hinggan-Dzhagdy Mountains conifer forests Daba Mountains evergreen forests Dana Darvinsky Zapovednik Daurian forest steppe Death Valley National Park Deer Flat National Wildlife Refuge DESFILADERO DE LOS GAITANES DESFILADEROS DEL RÍO JALÓN DESFILADEROS DEL RÍO MARTÍN Dinaric Mountains mixed forests Dolomiti di Pietrapertosa DOÑANA East Central Texas forests East European forest steppe Eastern Anatolian deciduous forests Eastern Anatolian montane steppe Eastern Beskid Eastern forest-boreal transition Eastern Great Lakes lowland forests Eastern Himalayan alpine shrub and meadows Eastern Himalayan broadleaf forests Eastern Himalayan subalpine conifer forests Eastern Mediterranean conifer-sclerophyllous-broadleaf forests Edwin S. George Reserve Effigy Mounds National Monument EL TURBÓN Y SIERRA DE SÍS Elburz Range forest steppe Elimyssalon alue 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 ESTEPAS DE BELCHITE-EL PLANERON-LA LOMAZA ESTERO DE DOMINGO RUBIO Euxine-Colchic broadleaf forests Fairfield Osborn Preserve Farallon National Wildlife Refuge Faroe Islands boreal grasslands Fathom Five National Marine Park Felsenthal National Wildlife Refuge Felsõ-kiskunsági szikes puszták és turjánvidék Firth of Tay & Eden Estuary Flusslandschaft Elbe Biosphere Reserve Fontanili di Gattatico e Fiume Enza Foret Domaniale du Circeo Forillon National Park Fort Necessity National Battlefield Fort Pulaski National Monument Fraser Plateau and Basin complex Fundy National Park GALACHOS DE LA ALFRANCA DE PASTRIZ, LA CARTUJA Y EL BURGO DE EBRO Galichia Gora Zapovednik Garzaie del Parco Adda Sud 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 Glacier Bay National Park and Preserve Glacier National Park Golden Gate National Recreation Area Gorge of Samaria National Park Grand Canyon National Park Grandfather Mountain Great Basin National Park Great Swamp National Wildlife Refuge Greenwater Provincial Park Greto dello Scrivia Gros Morne National Park Gruppo del Monviso e Bosco dell'Alevè Guadalupe Mountains National Park Guizhou Plateau broadleaf and mixed forests Gulf of St. Lawrence lowland forests Harpers Ferry National Historical Park Harvard Forest LTER Site Heath and Marjorie Angelo Coast Range Preserve Helanshan montane conifer forests Hengduan Mountains subalpine conifer forests HOCES DEL RIO MESA Homestead National Monument of America Hopewell Furnace National Historic Site Horicon National Wildlife Refuge Hortobágy National Park Hot Springs National Park Huang He Plain mixed forests Hubbard Brook Biosphere Reserve HURDES Iberian conifer forests Iberian sclerophyllous and semi-deciduous forests Illyrian deciduous forests Indiana Dunes National Lakeshore Indo-Burma Irano-Anatolian Isle of Rum National Nature Reserve Isle Royale Biosphere Reserve Isola Mal di Ventre Isomatala-Maasyvänlahti Italian sclerophyllous and semi-deciduous forests Izsáki Kolon-tó Japan Jasper National Park Jean Lafitte National Hist. Park & Preserve Jian Nan subtropical evergreen forests Joshua Tree National Park Junggar Basin semi-desert Karadagskiy Zapovednik Karakoram-West Tibetan Plateau alpine steppe Karkonosze Kavkazskiy Biosphere Reserve Kejimkujik National Park Kern River Preserve Killarney National Park Kiskunsag Biosphere Reserve Kiskunsági szikes tavak és az õrjegi turjánvidék Klamath-Siskiyou forests Koitajoen alue Konza Prairie Biosphere Reserve Kootenay National Park Kopet Dag woodlands and forest steppe Kopetdagh Zapovednik Kouchibouguac National Park Krivoklatsko Protected Landscape Area Krkonose Kugitang Zapovednik Kulhanvuoren alue Kulju Kyyvesi (SPA) L-Ghadira Area La Bora La Mauricie National Park LA SOTONERA La Trapa Laghetto del Frassino Lago di Mezzola e Pian di Spagna Lago di Varese Lagorai LAGUNA DE SARIÑENA Y BALSA DE LA ESTACIÓN LAGUNAS Y CARRIZALES DE CINCO VILLAS Lake Chelan National Recreation Area Lake Mead National Recreation Area Lake Meredith National Recreation Area Lake Roosevelt National Recreation Area Lake Superior Provincial Park Land Between the Lakes Biosphere Reserve Landels-Hill Big Creek Preserve Lanphere-Christensen Dunes Preserve Laplandskiy Biosphere Reserve Lassen Volcanic National Park Lava Beds National Monument Little River National Wildlife Refuge Little St. Simons Island LLANOS DE ALCANTARA Y BROZAS LLANOS DE TRUJILLO LOMA LA NEGRA - BARDENAS LOS ALCORNOCALES Luberon Mammoth Cave Area Biosphere Reserve (Natn'l Park) Manassas National Battlefield Park Manchurian mixed forests Marismas de Santoña y Noja MARISMAS DEL RIO PIEDRAS Y FLECHA DEL ROMPIDO MATARRAÑA - AIGUABARREIX Medio Taro Mediterranean acacia-argania dry woodlands and succulent thickets Mediterranean Basin Mediterranean conifer and mixed forests Mediterranean woodlands and forests Mendip Limestone Grasslands Mesopotamian shrub desert Middle Atlantic coastal forests Middle East steppe Midwestern Canadian Shield forests Mingan Archipelago National Park Reserve Mississippi lowland forests Mojave and Colorado Deserts Biosphere Reserve Mojave desert Mondragó MONFRAGÜE Y LAS DEHESAS DEL ENTORNO Mongolian-Manchurian grassland Mont Ventoux Montana Valley and Foothill grasslands Monte Barro Monte Generoso MONTES DE ZUERA, CASTEJÓN DE VALDEJASA Y EL CASTELLAR MONTES UNIVERSALES - SIERRA DEL TREMEDAL Monticchie Moor House-Upper Teesdale Biosphere Reserve Morristown National Historical Park Mount Revelstoke National Park Mount Tamalpais State Park Mountains of Central Asia Mountains of Southwest China Muir Woods National Monument Nahanni National Park Reserve Nanda Devi National Park Nansei Islands subtropical evergreen forests National Capital Region - East Nenjiang River grassland Neusiedler See-Osterreichischer Teil New England-Acadian forests New River Gorge National River Nez Perce National Historical Park Niagara Escarpment Biosphere Reserve North America North Atlantic moist mixed forests North Bull Island North Central Rockies forests North Norfolk Coast North Norfolk Coast Biosphere Reserve North Tibetan Plateau-Kunlun Mountains alpine desert Northeast China Plain deciduous forests Northeastern coastal forests Northeastern Himalayan subalpine conifer forests Northeastern Spain and Southern France Mediterranean forests Northern Anatolian conifer and deciduous forests Northern California coastal forests Northern Indochina subtropical forests Northern Pacific coastal forests Northern tall grasslands Northern transitional alpine forests Northwest Iberian montane forests Northwestern Himalayan alpine shrub and meadows Nujiang Langcang Gorge alpine conifer and mixed forests Oak Ridge National Environmental Research Park Obed Wild and Scenic River Ocmulgee National Monument Okanagan dry forests Okefenokee National Wildlife Refuge Okskiy Biosphere Reserve Olympic Biosphere Reserve ORDESA Y MONTE PERDIDO Ordos Plateau steppe OROS KANTILI OROS YMITTOS Ozark Mountain forests Ozark National Scenic Riverways Pacific Coastal Mountain icefields and tundra Pacific Rim National Park Reserve Padre Island National Seashore Palava Protected Landscape Area Palouse grasslands Palude Brabbia Pamir alpine desert and tundra Pannonian mixed forests Parco Del Cilento e Vallo de Diano Parco Naturale Adamello Parco Regionale Campo dei Fiori Parco Regionale Oglio Sud Parco Regionale Orobie Valtellinesi Parma Morta Paul do Boquilobo Biosphere Reserve Pechoro-Ilychskiy Biosphere Reserve Pflaelzerwald Picentini Pictured Rocks National Lakeshore Pindus Mountains mixed forests Piney Woods forests Pinnacles National Monument Pipestone National Monument Po Basin mixed forests Po da Albaredo Arnaboldi ad Arena Po Po di Corte S. Andrea Po di Monticelli Pavese e Chignolo Po Po di Pieve Porto Morone Po di San Rocco al Porto Point Pelee National Park Point Reyes National Seashore Polana Biosphere Reserve Pontic steppe POSETS - MALADETA Prespa National Park Prince Albert National Park Prince Edward Island National Park Prioksko-Terrasny Biosphere Reserve PUERTOS DE BECEITE Puget lowland forests Pukaskwa National Park Puszcza Kampinoska 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 Queen Charlotte Islands Rauvolanlahti Redwood National Park Reserva de la Biosfera de Urdaibai Reserve de la Biosphere d'Iroise Reserve de la Biosphere de Charlevoix Reserve de la Biosphere des Vosges du Nord Reserve Nationale de Camargue Biosphere Reserve Reserve Srebarna Riding Mountain Biosphere Reserve RÍO GUADALOPE - MAESTRAZGO RÍO HUERVA Y LAS PLANAS RIO TAJO INTERNACIONAL Y RIBEROS Risaie della Lomellina Riserva Regionale Bosco dei Bordighi Riserva Regionale Bosco Ronchetti Riserva Regionale Fontanile Nuovo Riserva Regionale Garzaia di Pomponesco Riserva Regionale Lanca di Gerole Rocky Mountain Biosphere Reserve Rodope montane mixed forests Rondeau Provincial Park Ruegen S'Albufera de Mallorca S'Albufera des Grau Sa Dragonera Saaristomeri Saint Croix International Historic Site Saint Lawrence Islands National Park Saint-Gaudens National Historic Site Salina di Cervia Salminlahti Salt Plains National Wildlife Refuge SALVATIERRA - FOZES DE FAGO Y BINIÉS Samuel P. Taylor State Park San Dimas Biosphere Reserve San Genesio San Joaquin Biosphere Reserve San Juan Island National Historical Park Santa Cruz Island Preserve Santa Monica Mountains National Recreation Area Sarmatic mixed forests Scandinavian and Russian taiga Scandinavian coastal conifer forests Scandinavian Montane Birch forest and grasslands Schorfheide-Chorin Sefton Coast Senna Lodigiana Sequoia and Kings Canyon Biosphere Reserve SERRETA DE TRAMACED Ses Salines d'Eivissa i Formentera Severn Estuary/ Môr Hafren Sevilleta LTER Site Shenandoah National Park Shiga Highland Sichuan Basin evergreen broadleaf forests SIERRA ALHAMILLA SIERRA DE CANCIÁS - SILVES SIERRA DE GATA Y VALLE DE LAS PILAS SIERRA DE GRAZALEMA SIERRA DE MONCAYO - LOS FAYOS - SIERRA DE ARMAS SIERRA MARIA - LOS VELEZ SIERRA NEVADA Sierra Nevada forests SIERRA SUBBETICA SIERRAS CENTRALES Y EMBALSE DE ALANGE SIERRAS DE CAZORLA, SEGURA Y LAS VILLAS SIERRAS DE LEYRE Y ORBA SIERRAS DE PEÑALSORDO Y CAPILLA SIERRAS DE SANTO DOMINGO Y CABALLERA Y RÍO ONSELLA SIERRAS DE TEJEDA, ALMIJARA Y ALHAMA Sikhote-Alinskiy Biosphere Reserve Sleeping Bear Dunes National Lakeshore SOTOS Y CARRIZALES DEL RÍO ARAGÓN South Appenine mixed montane forests South Atlantic Coastal Plain Biosphere Reserve South China-Vietnam subtropical evergreen forests South Taiwan monsoon rain forests 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 Great Lakes forests Southern Hudson Bay taiga Southwest Iberian Mediterranean sclerophyllous and mixed forests Southwest Nova Biosphere Reserve Spreewald St. Kilda National Nature Reserve Stura di Demonte Suiphun-Khanka meadows and forest meadows Sulaiman Range alpine meadows Sumava Biosphere Reserve Suonteen pohjoisosa Syunt-Khasardagh Zapovednik Taiwan subtropical evergreen forests Taklimakan desert Tarim Basin deciduous forests and steppe Tatra Mountains Tawas Point State Park Taynish National Nature Reserve Tennessee River Gorge Texas blackland prairies Thomas Stone National Historic Site Tian Shan foothill arid steppe Tian Shan montane conifer forests Tian Shan montane steppe and meadows Tianmushan Biosphere Reserve Tibetan Plateau alpine shrub and meadows Torbiere d'Iseo TORCAL DE ANTEQUERA Trebon Basin Protected Landscape Area Triangolo Lariano Triglav National Park Tsentral'no-Chernozemny Biosphere Reserve Tsentral'no-Lesnoy Biosphere Reserve Tyrrhenian-Adriatic sclerophyllous and mixed forests Ubsunurskaya Kotlovina (Ubsunur Depression) Upper Miss. River Nat'l Wildlife Refuge Val Formazza Valle Basento Grassano Scalo - Grottole Valle del Mezzano, Valle Pega Valley Forge National Historical Park Valli del Mincio Valli di Argenta Valli di Comacchio Valli Mirandolesi Vessertal-Thuringian Forest Biosphere Reserve Viadana, Portiolo, San Benedetto Po e Ostiglia Vicksburg National Military Park VIÑAMALA Virginia Coast Biosphere Reserve Viurilanlahti Voronezhskiy Biosphere Reserve Voyageurs National Park Waddensea of Lower Saxony Waddensea of Schleswig-Holstein Waterton Biosphere Reserve Western European broadleaf forests Western Great Lakes forests Western Gulf Coastal grasslands Western Himalayan alpine shrub and meadows Western Michigan University’s Asylum Lake Western short grasslands Wheeler National Wildlife Refuge Whiskey-Shasta-Trinity National Recreation Area Wilson's Creek National Battlefield Wind Cave National Park Wolong Nature Reserve Wood Buffalo National Park Woodland Caribou Provincial Wilderness Park Yakushima Island Yarlung Tsangpo arid steppe Yellow Sea saline meadow Yellowstone Biosphere Reserve Yoho National Park Yosemite National Park Yunnan Plateau subtropical evergreen forests Zagros Mountains forest steppe Zion National Park