CONSERVATION BIOLOGY:
Group Urges Southwest Migration Corridors
Jocelyn Kaiser
Conservationists with an ambitious goal of "rewilding" North America have released their vision for an ecologically rich swath of the Southwest, where subtropical and temperate biomes meet. The Sky Islands Wildlands Network is a blueprint for protecting species across 4.2 million hectares of Arizona, New Mexico, and Mexico by encouraging the return of wolves, jaguars, bears, and mountain lions.