Diet Overlap

Passerina versicolor (Varied Bunting)
Haemorhous mexicanus (House Finch)

Common Diet

Carnegiea gigantea (saguaro)
Myrtillocactus geometrizans (Bilberry Cactus)
Neobuxbaumia tetetzo

Common Habitat

Amistad National Recreation Area
Bajío dry forests
Balsas dry forests
Big Bend Biosphere Reserve
Carlsbad Caverns National Park
Central Mexican matorral
Chihuahuan desert
Madrean Pine-Oak Woodlands
Meseta Central matorral
Mesoamerica
North America
Organ Pipe Cactus Biosphere Reserve
Reserva de la Biosfera Sierra Gorda
Saguaro National Park
San Lucan xeric scrub
Sierra de la Laguna dry forests
Sierra de la Laguna 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
Sinaloan dry forests
Sonoran desert
Sonoran-Sinaloan transition subtropical dry forest
Tamaulipan mezquital
Trans-Mexican Volcanic Belt pine-oak forests
Western Gulf Coastal grasslands

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
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
3THE ROLE OF SEED DISPERSERS IN THE POPULATION DYNAMICS OF THE COLUMNAR CACTUS NEOBUXBAUMIA TETETZO, HÉCTOR GODÍNEZ-ALVAREZ, ALFONSO VALIENTE-BANUET, AND ALBERTO ROJAS-MARTÍNEZ, Ecology, 83(9), 2002, pp. 2617-2629