Extreme Specialization of the Southwestern Speckled Rattlesnake [video]

One of the most beautiful snakes in the world is also one of the most common to see in the Phoenix area. Their specialized color adaptation is so strong that snakes found on the South side of Phoenix are completely different than those from the North valley. Even though these may be the most common rattlesnake on South Mountain, most Ahwatukee residents that we serve have never seen one until the moment one has shown up in the yard.