The historical range of the ferruginous pygmy-owl included areas of southern Arizona, southern Texas extending south along both coasts in Mexico, through Central America into the southernmost population in Argentina. However, over the past 150 years urban and agricultural expansion within the United States has reduced its population to a few isolated pockets of uncertain stability.

Provides the data and analysis necessary for the County's Environmental Impact Statement as it relates to the potential impact that issuing a permit could have on low income or minority people in Pima County. The study goes beyond this narrow assessment too, and discusses the cultural, social and fiscal issues related to the larger topic of environmental justice.