Imagine traveling through the Southwestern US surrounded by cacti, low-lying shrubs, desert air, and rocks. But, winding through these desert landscapes are surprising oases of dotted wetlands, lush rivers, and springs. Found predominantly in New Mexico, in the Colorado River Basin, the federally listed Threatened narrow-headed gartersnake is at risk. It’s struggling to compete for resources with invasive species and is isolated in waterways no longer connected to other areas that offer genetica