Diet Overlap

Haemorhous mexicanus (House Finch)
Melozone fusca (Canyon Towhee)

Common Diet

Carnegiea gigantea (saguaro)
Opuntia robusta var. larreyi (Wheel Cactus)
Opuntia streptacantha var. pachona

Common Habitat

Amistad National Recreation Area
Arizona Mountains forests
Bajío dry forests
Bandelier National Monument
Beaver Creek Biosphere Reserve
Big Bend Biosphere Reserve
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
Capulin Volcano National Monument
Carlsbad Caverns National Park
Central and Southern mixed grasslands
Central Mexican matorral
Chaco Culture National Historical Park
Chihuahuan desert
Chiricahua National Monument
Colorado Plateau shrublands
Colorado Rockies forests
Coronado National Monument
Dinosaur National Monument
East Central Texas forests
Edwards Plateau savanna
El Malpais National Monument
El Morro National Monument
Fort Bowie National Historic Site
Fort Davis National Historic Site
Fort Union National Monument
Golden Gate National Recreation Area
Grand Canyon National Park
Gray Lodge State Wildlife Area
Guadalupe Mountains National Park
Jornada Biosphere Reserve
Klamath-Siskiyou forests
Lake Meredith National Recreation Area
Landels-Hill Big Creek Preserve
Lassen Volcanic National Park
Madrean Pine-Oak Woodlands
Mesa Verde National Park
Meseta Central matorral
Mesoamerica
Mojave and Colorado Deserts Biosphere Reserve
Mojave desert
Navajo National Monument
North America
Northern California coastal forests
Organ Pipe Cactus Biosphere Reserve
Pecos National Historical Park
Petrified Forest National Park
Philip L. Boyd Deep Canyon Desert Research Center
Reserva de la Biosfera El Vizcaino
Reserva de la Biosfera Sierra Gorda
Reserva de la Michilia
Reserva de Mapimi
Saguaro National Park
Salinas Pueblo Missions National Monument
San Dimas Biosphere Reserve
San Joaquin Biosphere Reserve
Sevilleta LTER Site
Sierra Madre de Oaxaca pine-oak forests
Sierra Madre Occidental pine-oak forests
Sierra Madre Oriental pine-oak forests
Sonoran desert
Sonoran-Sinaloan transition subtropical dry forest
Tomales Bay State Park
Tonto National Monument
Trans-Mexican Volcanic Belt pine-oak forests
Walnut Canyon National Monument
Western short grasslands
White Sands National Monument

Attributes / relations provided by
1How Important are Columnar Cacti as Sources of Water and Nutrients for Desert Consumers? A Review, B. O. Wolf and C. Martínez del Rio, Isotopes Environ. Health Stud., 2003, Vol. 39(1), pp. 53-67
2Seed predation and dispersal in a dominant desert plant: Opuntia, ants, birds, and mammals, Mario González-Espinosa and Pedro F. Quintana-Ascencio, Frugivores and Seed Dispersal (eds A. Estrada & T. H. Fleming.), pp. 273–284. Dr W. Junk, Publishers, Dordrecht.