Buenos Aires National Wildlife Refuge

The Buenos Aires National Wildlife Refuge is a wildlife refuge on the type of a National Wildlife Refuge in a semi -arid foothills of the Sonoran Desert. It is located in the Altar Valley in Pima County in the south of the U.S. state of Arizona, bordering Mexico. In the area there are a variety of birds. The landscape consists of semi-desert with mountain ranges and several striking gorges.

The reserve is home to more than 325 species of birds and 53 species of reptiles and amphibians. Mammals are represented by 58 species. The largest are mule deer, white-tailed deer, pronghorn antelope, collared peccary and Puma. In the area of the reserve and the surrounding areas also lives a small population of Jaguars. This is consistent with the holdings in Mexico in conjunction. Between 1996 and 2007, a male jaguar, which was designated by the name "Macho B", are proven again and again. His home range was in the years 2004 to 2007 in the mountains around the Altar Valley, located in the reserve. In the area was also at least one other Jaguar during the study has been demonstrated.