Diet Overlap

Thryothorus ludovicianus (Carolina Wren) Quiscalus quiscula (Common Grackle)

Common Diet

Melanoplus differentialis (Differential Grasshopper)

Common Habitat

Acadia National Park Allegheny Highlands forests Amistad National Recreation Area Antietam National Battlefield Appalachian mixed mesophytic forests Appalachian-Blue Ridge forests Arkansas Post National Memorial Assateague Island National Seashore Atlantic coastal pine barrens Big Bend Biosphere Reserve Big Cypress National Preserve Biscayne National Park Blackwater National Wildlife Refuge Bombay Hook National Wildlife Refuge Buffalo National River Canaveral National Seashore Cape Cod National Seashore Cape Hatteras National Seashore Cape Lookout National Seashore Cape Romain National Wildlife Refuge Carlsbad Caverns National Park Carolinian-South Atlantic Biosphere Reserve Catoctin Mountain Park Central and Southern mixed grasslands Central forest-grasslands transition Central Gulf Coastal Plain Biosphere Reserve Central tall grasslands Central U.S. hardwood forests Chattahoochee River National Recreation Area Chesapeake & Ohio Canal National Hist. Park Chickasaw National Recreation Area Colonial National Historic Park Congaree Swamp National Park Coweeta Hydrologic Laboratory LTER Site Crosswinds Marsh Cumberland Island National Seashore Cuyahoga Valley National Park East Central Texas forests Effigy Mounds National Monument Everglades Felsenthal National Wildlife Refuge Fire Island National Seashore Flint Hills tall grasslands Florida Keys National Marine Sanctuary Florida sand pine scrub Fort Caroline National Memorial Fort Matanzas National Monument Fort Pulaski National Monument Friendship Hill National Historic Site Gateway National Recreation Area George WA Carver National Monument George Washington Birthplace National Monument George Washington Memorial Parkway Gettysburg National Military Park Grandfather Mountain Great Smoky Mountains National Park Great Swamp National Wildlife Refuge Harpers Ferry National Historical Park Homestead National Monument of America Hopewell Furnace National Historic Site Horseshoe Bend National Military Park Indiana Dunes National Lakeshore Jean Lafitte National Hist. Park & Preserve Konza Prairie Biosphere Reserve Lacassine National Wildlife Refuge Land Between the Lakes Biosphere Reserve Little River National Wildlife Refuge Little St. Simons Island Long Point Biosphere Reserve Madrean Pine-Oak Woodlands Mammoth Cave Area Biosphere Reserve (Natn'l Park) Manassas National Battlefield Park Middle Atlantic coastal forests Mississippi lowland forests Moores Creek National Battlefield Morristown National Historical Park National Capital Parks - Central National Capital Region - East New Jersey Pinelands Biosphere Reserve New River Gorge National River Niagara Escarpment Biosphere Reserve North America Northeastern coastal forests Northern tall grasslands Oak Ridge National Environmental Research Park Ocmulgee National Monument Okefenokee National Wildlife Refuge Ozark Mountain forests Ozark National Scenic Riverways Padre Island National Seashore Piney Woods forests Point Pelee National Park Prince William Forest Park Rock Creek Park Rondeau Provincial Park Roosevelt Vanderbilt National Historic Site Saint Croix International Historic Site Saint Lawrence Islands National Park Salt Plains National Wildlife Refuge Sevilleta LTER Site Sleeping Bear Dunes National Lakeshore South Atlantic Coastal Plain Biosphere Reserve South Florida rocklands Southeastern conifer forests Southeastern mixed forests Southern Appalachian Biosphere Reserve Southern Great Lakes forests Tamaulipan mezquital Tawas Point State Park Tennessee River Gorge Texas blackland prairies Thomas Stone National Historic Site Upper Miss. River Nat'l Wildlife Refuge Valley Forge National Historical Park Vicksburg National Military Park Virginia Coast Biosphere Reserve Western Gulf Coastal grasslands Western Michigan University’s Asylum Lake Western short grasslands Wheeler National Wildlife Refuge Wilson's Creek National Battlefield