Not considered dangerous. Associated primarily with rocky, low hills of the refuge. Only two verified sightings of this snake on the refuge indicate that chances of encountering the coral snake are probably slim. The largest of the western rattlesnakes and probably the most dangerous due to its size. Found all across the refuge, primarily in the lower hills.
Positive identification is by counting scales on the head.
Easily the most common of the rattlesnakes inhabiting the refuge. Its unique method of locomotion gives it its name. A large rattlesnake with a black tail and sometimes also a black snout usually found in rocky hill areas. Active night and day. Observed in Agua Dulce mountains near abandoned adits.