Diet Overlap

Spizelloides arborea (American Tree Sparrow)
Spizella pallida (Clay-colored Sparrow)

Common Diet

Amaranthus retroflexus (rough pigweed)

Common Habitat

Acadia National Park
Algonquin Provincial Park
Arctic National Wildlife Refuge
Assateague Island National Seashore
Audubon National Wildlife Refuge
Badlands National Park
Banff National Park
Bighorn Canyon National Recreation Area
Bruce Peninsula National Park
Cabrillo National Monument
California Coast Ranges Biosphere Reserve
California coastal sage and chaparral
California Floristic Province
Calvin College Ecosystem Preserve
Canadian Aspen forests and parklands
Cape Cod National Seashore
Cape Hatteras National Seashore
Carlsbad Caverns National Park
Cedar Creek LTER Site
Central Plains Biosphere Reserve
Central tall grasslands
Champlain-Adirondack Biosphere Reserve
Channel Islands National Marine Sanctuary
Channel Islands National Park
Chickasaw National Recreation Area
Chihuahuan desert
Crosswinds Marsh
De Soto National Wildlife Refuge
Death Valley National Park
Devils Tower National Monument
Eastern forest-boreal transition
Eastern Great Lakes lowland forests
Effigy Mounds National Monument
Elk Island National Park
Farallon National Wildlife Refuge
Fathom Five National Marine Park
Fundy National Park
Gateway National Recreation Area
George WA Carver National Monument
Glen Canyon National Recreation Area
Homestead National Monument of America
Horicon National Wildlife Refuge
Hovenweep National Monument
Jasper National Park
Knife River Indian Villages National Hist. Site
Konza Prairie Biosphere Reserve
Lake Meredith National Recreation Area
Lake Superior Provincial Park
Long Point Biosphere Reserve
Madrean Pine-Oak Woodlands
Mojave and Colorado Deserts Biosphere Reserve
Montana Valley and Foothill grasslands
Muskwa-Slave Lake forests
Nahanni National Park Reserve
Niagara Escarpment Biosphere Reserve
North America
North Central Rockies forests
Northern Cordillera forests
Northern mixed grasslands
Northern short grasslands
Northern tall grasslands
Petrified Forest National Park
Pictured Rocks National Lakeshore
Pipestone National Monument
Point Pelee National Park
Point Reyes National Seashore
Prince Albert National Park
Pukaskwa National Park
Redberry Lake Biosphere Reserve
Redwood National Park
Rocky Mountain Biosphere Reserve
Rondeau Provincial Park
Saint Croix International Historic Site
Salt Plains National Wildlife Refuge
Santa Cruz Island Preserve
Santa Monica Mountains National Recreation Area
Scotts Bluff National Monument
Sevilleta LTER Site
Shortgrass Steppe LTER Site
Sierra Madre de Oaxaca pine-oak forests
Sleeping Bear Dunes National Lakeshore
Southern Great Lakes forests
Tamaulipan mezquital
Tawas Point State Park
Upper Midwest forest-savanna transition
Upper Miss. River Nat'l Wildlife Refuge
Virginia Coast Biosphere Reserve
Voyageurs National Park
Waterton Biosphere Reserve
Western Great Lakes forests
Western Gulf Coastal grasslands
Wind Cave National Park
Wood Buffalo National Park
Yellowstone Biosphere Reserve
Yoho National 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.