Diet Overlap

Setophaga virens (Black-throated Green Warbler)
Dryobates pubescens gairdnerii (Downy Woodpecker)

Common Diet

Toxicodendron radicans (poison ivy)

Common Habitat

Acadia National Park
Alberta-British Columbia foothills forests
Algonquin Provincial Park
Allegheny Highlands forests
Antietam National Battlefield
Apostle Islands National Lakeshore
Appalachian mixed mesophytic forests
Appalachian-Blue Ridge forests
Arkansas Post National Memorial
Assateague Island National Seashore
Atlantic coastal pine barrens
Big Cypress National Preserve
Big Thicket Biosphere Reserve
Blackbeard Island National Wildlife Refuge
Blackwater National Wildlife Refuge
Bombay Hook National Wildlife Refuge
Bruce Peninsula National Park
Buffalo National River
Cabrillo National Monument
California Coast Ranges Biosphere Reserve
Calvin College Ecosystem Preserve
Canadian Aspen forests and parklands
Canaveral National Seashore
Cape Breton Highlands National Park
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
Cedar Creek LTER Site
Central Canadian Shield forests
Central Gulf Coastal Plain Biosphere Reserve
Central Plains Biosphere Reserve
Central tall grasslands
Champlain-Adirondack Biosphere Reserve
Chattahoochee River National Recreation Area
Chickasaw National Recreation Area
Chippewa Nature Center
Colonial National Historic Park
Congaree Swamp National Park
Coweeta Hydrologic Laboratory LTER Site
Crosswinds Marsh
Cuyahoga Valley National Park
Death Valley National Park
Eastern Canadian forests
Eastern forest-boreal transition
Eastern Great Lakes lowland forests
Edwin S. George Reserve
Effigy Mounds National Monument
Elk Island National Park
Fathom Five National Marine Park
Felsenthal National Wildlife Refuge
Flint Hills tall grasslands
Forillon National Park
Fort Matanzas National Monument
Fort Necessity National Battlefield
Fort Pulaski National Monument
Friendship Hill National Historic Site
Fundy National Park
Gateway National Recreation Area
George WA Carver National Monument
Georgian Bay Islands National Park
Gettysburg National Military Park
Grand Canyon National Park
Grand Portage National Monument
Grandfather Mountain
Great Smoky Mountains National Park
Great Swamp National Wildlife Refuge
Greenwater Provincial Park
Gros Morne National Park
Guadalupe Mountains National Park
Gulf of St. Lawrence lowland forests
Harvard Forest LTER Site
Homestead National Monument of America
Hopewell Furnace National Historic Site
Horicon National Wildlife Refuge
Hot Springs National Park
Hubbard Brook Biosphere Reserve
Indiana Dunes National Lakeshore
Isle Royale Biosphere Reserve
Jean Lafitte National Hist. Park & Preserve
Kejimkujik National Park
Kejimkujik Seaside Adjunct
Kellogg Biological Station LTER Site
Konza Prairie Biosphere Reserve
Kouchibouguac National Park
La Mauricie 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
Little St. Simons Island
Long Point Biosphere Reserve
Mammoth Cave Area Biosphere Reserve (Natn'l Park)
Mid-Continental Canadian forests
Midwestern Canadian Shield forests
Mingan Archipelago National Park Reserve
Mojave and Colorado Deserts Biosphere Reserve
Mount Mitchell State Park
Nahanni National Park Reserve
New England-Acadian forests
New River Gorge National River
Newfoundland Highland forests
Niagara Escarpment Biosphere Reserve
North America
Northeastern coastal forests
Northern Cordillera forests
Northern mixed grasslands
Northern tall grasslands
Oak Ridge National Environmental Research Park
Obed Wild and Scenic River
Okefenokee National Wildlife Refuge
Ozark National Scenic Riverways
Pictured Rocks National Lakeshore
Point Pelee National Park
Point Reyes National Seashore
Prince Albert National Park
Prince Edward Island National Park
Pukaskwa National Park
Redwood National Park
Reserve de la Biosphere de Charlevoix
Rock Creek Park
Rocky Mountain Biosphere Reserve
Rondeau Provincial Park
Roosevelt Vanderbilt National Historic Site
Saint Croix International Historic Site
Saint Lawrence Islands National Park
Saint-Gaudens National Historic Site
Santa Monica Mountains National Recreation Area
Saratoga National Historical Park
Sevilleta LTER Site
Shenandoah National Park
Shortgrass Steppe LTER Site
Sleeping Bear Dunes National Lakeshore
South Atlantic Coastal Plain Biosphere Reserve
South Avalon-Burin oceanic barrens
Southeastern mixed forests
Southern Appalachian Biosphere Reserve
Southern Great Lakes forests
Southern Hudson Bay taiga
Southwest Nova Biosphere Reserve
Tawas Point State Park
Tennessee River Gorge
Terra Nova National Park
Thomas Stone National Historic Site
Upper Midwest forest-savanna transition
Upper Miss. River Nat'l Wildlife Refuge
Valley Forge National Historical Park
Vicksburg National Military Park
Virginia Coast Biosphere Reserve
Voyageurs National Park
Western Great Lakes forests
Western Michigan University’s Asylum Lake
Wheeler National Wildlife Refuge
Wood Buffalo National Park
Woodland Caribou Provincial Wilderness Park

Attributes / relations provided by
1del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
2Study of Northern Virginia Ecology