Crotalus cerastes cercobombus - Sonoran Sidewinder

     1.  Basal segment of rattle black in adults
     2.  Tracks left in sand are sets of parallel J-shaped marks
     3.  Instead of seeking shelter in a burrow, sidewinders will bury themselves in the sand

Click to enlarge photos

• Leptotyphlopidae • Boidae • Viperidae • Colubridae • Elapidae •