Diet Overlap

Sturnus vulgaris (European Starling) Sialia sialis (Eastern Bluebird)

Common Diet

Ampelocissus latifolia (American ivy) Cornus florida (flowering dogwood) Gryllus pennsylvanicus (fall field cricket) Juniperus virginiana (Eastern Red-cedar) Lithobius forficatus (Brown centipede) Melanoplus differentialis (Differential Grasshopper) Phytolacca americana (common pokeweed) Prunus serotina (Black Cherry) Rhus glabra (smooth sumac) Toxicodendron radicans (poison ivy)

Common Habitat

Acadia National Park Algonquin Provincial Park Amistad National Recreation Area Antietam National Battlefield Apostle Islands National Lakeshore Arkansas Post National Memorial Badlands National Park Big Bend Biosphere Reserve Big Cypress National Preserve Blackwater National Wildlife Refuge Bruce Peninsula National Park Buffalo National River Calvin College Ecosystem Preserve Cape Cod National Seashore Cape Hatteras National Seashore Cape Lookout National Seashore Carlsbad Caverns National Park Carolinian-South Atlantic Biosphere Reserve Cedar Creek LTER Site Central Gulf Coastal Plain Biosphere Reserve Central Mexican matorral Central Plains Biosphere Reserve Champlain-Adirondack Biosphere Reserve Chattahoochee River National Recreation Area Chickasaw National Recreation Area Chihuahuan desert Chippewa Nature Center Colonial National Historic Park Congaree Swamp National Park Coweeta Hydrologic Laboratory LTER Site Crosswinds Marsh Cuyahoga Valley National Park De Soto National Wildlife Refuge Edwin S. George Reserve Effigy Mounds National Monument Fathom Five National Marine Park Felsenthal National Wildlife Refuge Fort Caroline National Memorial Fort Davis National Historic Site Fort Larned National Historic Site Fort Necessity National Battlefield Friendship Hill National Historic Site Fundy National Park Gateway National Recreation Area George WA Carver National Monument George Washington Birthplace National Monument Georgian Bay Islands National Park Gettysburg National Military Park Grandfather Mountain Great Swamp National Wildlife Refuge Greenwater Provincial Park Guadalupe Mountains National Park Guilford Courthouse National Military Park Herbert Hoover National Historic Site Homestead National Monument of America Hopewell Furnace National Historic Site Horseshoe Bend National Military Park Hot Springs National Park Hubbard Brook Biosphere Reserve Isle Royale Biosphere Reserve Kellogg Biological Station LTER Site Knife River Indian Villages National Hist. Site Konza Prairie Biosphere Reserve Kouchibouguac National Park Lacassine National Wildlife Refuge Lake Superior Provincial Park Land Between the Lakes Biosphere Reserve Lincoln Boyhood National Memorial Little River National Wildlife Refuge Long Point Biosphere Reserve Madrean Pine-Oak Woodlands Mammoth Cave Area Biosphere Reserve (Natn'l Park) Mingan Archipelago National Park Reserve Morristown National Historical Park New Jersey Pinelands Biosphere Reserve New River Gorge National River Niagara Escarpment Biosphere Reserve North America Ocmulgee National Monument Okefenokee National Wildlife Refuge Ozark National Scenic Riverways Padre Island National Seashore Pictured Rocks National Lakeshore Pipestone National Monument Point Pelee National Park Pukaskwa National Park Riding Mountain Biosphere Reserve Rocky Mountain Biosphere Reserve Rondeau Provincial Park Roosevelt Vanderbilt National Historic Site Saguaro National Park Saint Croix International Historic Site Saint Lawrence Islands National Park Saratoga National Historical Park Scotts Bluff National Monument Sevilleta LTER Site Shenandoah National Park Shortgrass Steppe LTER Site Sleeping Bear Dunes National Lakeshore South Atlantic Coastal Plain Biosphere Reserve Southern Appalachian Biosphere Reserve Tamaulipan mezquital Tawas Point State Park Tennessee River Gorge 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 Voyageurs National Park Western Gulf Coastal grasslands Western Michigan University’s Asylum Lake Wilson's Creek National Battlefield Wind Cave National Park