Diet Overlap

Larus delawarensis (Ring-billed Gull) Eptesicus fuscus (big brown bat)

Common Diet

Melanoplus differentialis (Differential Grasshopper) Phanaeus vindex (Dung beetle)

Common Habitat

Acadia National Park Allegheny Highlands forests Alto Golfo de California y Delta del Rio Colorado Anza-Borrego Desert State Park, CA Appalachian mixed mesophytic forests Atlantic coastal pine barrens Audubon National Wildlife Refuge Bahamian pine mosaic Bahamoan-Antillean mangroves Baja California desert Bajío dry forests Bandelier National Monument Banff National Park Big Bend Biosphere Reserve Big Cypress National Preserve Big Thicket Biosphere Reserve Bighorn Canyon National Recreation Area Blue Mountains forests Bombay Hook National Wildlife Refuge British Columbia mainland coastal forests Bruce Peninsula National Park Buenavista Buffalo National River 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 Calvin College Ecosystem Preserve Canadian Aspen forests and parklands Cape Cod National Seashore Caribbean Islands Caribbean shrublands Carlsbad Caverns National Park Carolinian-South Atlantic Biosphere Reserve Carrizo Plain Preserve Cascade Mountains leeward forests Cedar Creek LTER Site Central American Atlantic moist forests Central American dry forests Central and Southern Cascades forests Central forest-grasslands transition Central Gulf Coastal Plain Biosphere Reserve Central Mexican matorral Central Pacific coastal forests Central Plains Biosphere Reserve Central U.S. hardwood forests Champlain-Adirondack Biosphere Reserve Channel Islands National Marine Sanctuary Channel Islands National Park Chickasaw National Recreation Area Chihuahuan desert Colorado Plateau shrublands Congaree Swamp National Park Costa Rican seasonal moist forests Cuban cactus scrub Cuban dry forests Cuban moist forests Cuban pine forests Cuban wetlands Cumberland Island National Seashore Cuyahoga Valley National Park Eastern Cascades forests Eastern forest-boreal transition Eastern Great Lakes lowland forests Edwin S. George Reserve El Malpais National Monument Elk Island National Park Elkhorn Slough Preserve Enriquillo wetlands Everglades Fathom Five National Marine Park Fire Island National Seashore Florida sand pine scrub Fundy National Park George Washington Birthplace National Monument Georgian Bay Islands National Park Gettysburg National Military Park Golden Gate National Recreation Area Grand Canyon National Park Grasslands National Park Great Basin National Park Great Smoky Mountains National Park Guadalupe Mountains National Park Gulf of California xeric scrub Gulf of St. Lawrence lowland forests Hispaniolan dry forests Hispaniolan moist forests Hispaniolan pine forests Horseshoe Bend National Military Park Hot Springs National Park Indiana Dunes National Lakeshore Isthmian-Pacific moist forests Jalisco dry forests Jamaican dry forests Jamaican moist forests Jasper National Park Joshua Tree National Park Klamath-Siskiyou forests Kootenay National Park La Mauricie National Park Lake Mead National Recreation Area Lake Meredith National Recreation Area Lake Roosevelt National Recreation Area Land Between the Lakes Biosphere Reserve Lassen Volcanic National Park Lava Beds National Monument Long Point Biosphere Reserve Madrean Pine-Oak Woodlands Mammoth Cave Area Biosphere Reserve (Natn'l Park) Meseta Central matorral Mesoamerica Mesoamerican Gulf-Caribbean mangroves Mid-Continental Canadian forests Middle Atlantic coastal forests Midwestern Canadian Shield forests Mississippi lowland forests Mojave and Colorado Deserts Biosphere Reserve Mojave desert Montana Valley and Foothill grasslands Morristown National Historical Park New England-Acadian forests Niagara Escarpment Biosphere Reserve North America North Central Rockies forests Northeastern coastal forests Northern California coastal forests Northern Mesoamerican Pacific mangroves Northern mixed grasslands Northern short grasslands Northern tall grasslands Oaxacan montane forests Ocmulgee National Monument Okanagan dry forests Organ Pipe Cactus Biosphere Reserve Ozark Mountain forests Pacific Rim National Park Reserve Paine Preserve Palouse grasslands Panamanian dry forests Petén-Veracruz moist forests Petrified Forest National Park Piney Woods forests Point Pelee National Park Point Reyes National Seashore Prince Albert National Park Puerto Rican dry forests Puerto Rican moist forests Puget lowland forests Pukaskwa National Park Redberry Lake Biosphere Reserve Redwood National Park Reserva de la Biosfera El Vizcaino Riding Mountain Biosphere Reserve Rocky Mountain Biosphere Reserve Saint Lawrence Islands National Park San Dimas Biosphere Reserve San Lucan xeric scrub Santa Monica Mountains National Recreation Area Santee Coastal Reserve and Washo Reserve Saratoga National Historical Park Sequoia and Kings Canyon Biosphere Reserve Sevilleta LTER Site Shortgrass Steppe LTER Site Sierra de la Laguna dry forests Sierra de la Laguna pine-oak forests Sierra de los Tuxtlas Sierra Juarez and San Pedro Martir pine-oak forests Sierra Madre de Oaxaca pine-oak forests Sierra Madre Occidental pine-oak forests Sierra Madre Oriental pine-oak forests Sierra Nevada forests Sinaloan dry forests Sleeping Bear Dunes National Lakeshore Snake-Columbia shrub steppe Sonoran desert Sonoran-Sinaloan transition subtropical dry forest South Atlantic Coastal Plain Biosphere Reserve South Central Rockies forests South Florida rocklands Southeastern conifer forests Southeastern mixed forests Southern Appalachian Biosphere Reserve Southern Great Lakes forests Southern Mesoamerican Pacific mangroves Southern Pacific dry forests Tamaulipan matorral Tamaulipan mezquital Tehuacán Valley matorral Trans-Mexican Volcanic Belt pine-oak forests Upper Midwest forest-savanna transition Upper Miss. River Nat'l Wildlife Refuge Veracruz dry forests Veracruz moist forests Veracruz montane forests Waterton Biosphere Reserve Western Great Lakes forests Western Gulf Coastal grasslands Western short grasslands Wheeler National Wildlife Refuge Whiskey-Shasta-Trinity National Recreation Area Willamette Valley forests Wind Cave National Park Windward Islands moist forests Yellowstone Biosphere Reserve Yoho National Park Zion National Park