Diet Overlap

Pheucticus melanocephalus (Black-headed Grosbeak)
Haemorhous mexicanus (House Finch)

Common Diet

Brahea armata (Blue Hesper Palm)
Myrtillocactus geometrizans (Bilberry Cactus)

Common Habitat

Anza-Borrego Desert State Park, CA
Arches National Park
Arizona Mountains forests
Audubon National Wildlife Refuge
Badlands National Park
Baja California desert
Bajío dry forests
Balsas dry forests
Beaver Creek Biosphere Reserve
Big Morongo Canyon Preserve
Bighorn Canyon National Recreation Area
Blue Mountains forests
Boggs Lake Preserve
Boggs Mountain Demonstration State Forest
British Columbia mainland coastal forests
Bryce Canyon National Park
Cabrillo National Monument
California Central Valley grasslands
California coastal sage and chaparral
California Floristic Province
California interior chaparral and woodlands
California montane chaparral and woodlands
Canyonlands National Park
Cape Romain National Wildlife Refuge
Capital Reef National Park
Carolinian-South Atlantic Biosphere Reserve
Carrizo Plain Preserve
Central and Southern Cascades forests
Central and Southern mixed grasslands
Central Mexican matorral
Central Pacific coastal forests
Central Plains Biosphere Reserve
Channel Islands National Marine Sanctuary
Channel Islands National Park
Chihuahuan desert
Chiricahua National Monument
Coachella Valley Preserve
Colorado National Monument
Colorado Plateau shrublands
Colorado Rockies forests
Coram Biosphere Reserve
Coronado National Monument
Cosumnes River Preserve
Crater Lake National Park
Creighton Ranch Preserve
Curecanti National Recreation Area
Death Valley National Park
Deer Flat National Wildlife Refuge
Dinosaur National Monument
Dos Palmas Preserve
Eastern Cascades forests
Elkhorn Slough Preserve
Fairfield Osborn Preserve
Farallon National Wildlife Refuge
Fort Bowie National Historic Site
Glen Canyon National Recreation Area
Golden Gate National Recreation Area
Grand Canyon National Park
Gray Lodge State Wildlife Area
Great Basin montane forests
Great Basin National Park
Great Basin shrub steppe
Gulf Islands National Park
Gulf of California xeric scrub
Hovenweep National Monument
Jepson Prairie Preserve
Jornada Biosphere Reserve
Joshua Tree National Park
Kaweah Oaks Preserve
Kern River Preserve
Klamath-Siskiyou forests
Lake Roosevelt National Recreation Area
Landels-Hill Big Creek Preserve
Lanphere-Christensen Dunes Preserve
Lassen Volcanic National Park
Lava Beds National Monument
Madrean Pine-Oak Woodlands
McCloud River Preserve
McGinty Mountain Preserve
Mesa Verde National Park
Meseta Central matorral
Mesoamerica
Mojave and Colorado Deserts Biosphere Reserve
Mojave desert
Montana Valley and Foothill grasslands
Mount Arrowsmith
Mount Tamalpais State Park
Muir Woods National Monument
Nez Perce National Historical Park
Niagara Escarpment Biosphere Reserve
Nipomo Dunes Preserve
North America
North Central Rockies forests
Northern California coastal forests
Northern short grasslands
Okanagan dry forests
Olympic Biosphere Reserve
Organ Pipe Cactus Biosphere Reserve
Paine Preserve
Palouse grasslands
Petrified Forest National Park
Philip L. Boyd Deep Canyon Desert Research Center
Pinnacles National Monument
Pipe Spring National Monument
Point Reyes National Seashore
Puget lowland forests
Redwood National Park
Reserva de la Biosfera El Vizcaino
Reserva de la Biosfera Sierra Gorda
Reserva de la Michilia
Rocky Mountain Biosphere Reserve
Saguaro National Park
Samuel P. Taylor State Park
San Dimas Biosphere Reserve
San Joaquin Biosphere Reserve
San Juan Island National Historical Park
San Lucan xeric scrub
Sand Ridge Preserve
Santa Cruz Island Preserve
Santa Monica Mountains National Recreation Area
Scotts Bluff National Monument
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 Juarez and San Pedro Martir pine-oak forests
Sierra Madre de Oaxaca pine-oak forests
Sierra Madre del Sur pine-oak forests
Sierra Madre Occidental pine-oak forests
Sierra Madre Oriental pine-oak forests
Sierra Nevada forests
Sinaloan dry forests
Snake-Columbia shrub steppe
Sonoran desert
Sonoran-Sinaloan transition subtropical dry forest
South Central Rockies forests
Table Mountain
Tamaulipan mezquital
Tonto National Monument
Trans-Mexican Volcanic Belt pine-oak forests
Wasatch and Uinta montane forests
Western Gulf Coastal grasslands
Western short grasslands
Whiskey-Shasta-Trinity National Recreation Area
White Sands National Monument
Willamette Valley forests
Williams Wildlife Preserve
Wyoming Basin shrub steppe
Yellowstone Biosphere Reserve
Zion National Park

Attributes / relations provided by
♦ 1Patterns of frugivory, seed dispersal and predation of blue fan palms (Brahea armata) in oases of northern Baja California, E.V. Wehncke, X.L. Medellín, E. Ezcurra, Journal of Arid Environments 73 (2009) 773–783
♦ 2Effectiveness of Dispersal of an Ornithocorous Cactus Myrtillocactus geometrizans (Cactaceae) in a Patchy Environment, Mónica G. Pérez-Villafaña and Alfonso Valiente-Banuet, The Open Biology Journal, 2009, 2, 101-113