Continued from part 1, part 2, part 3 and part 4 …
After finding nothing else enjoying the morning sun, we started hiking an open, rocky wash I had spotted the day before as a possible place to find our target for the trip and my favorite of the rattlesnakes I’ve encountered so far, Crotalus molossus, the Black-Tailed Rattlesnake.
Within 50 yards from our point of entry, one of my herping partners saw a Western Diamondback Rattlesnake (Crotalus atrox) hiding in a rodent activity area under a large rock. Finally the first rattlesnake of the trip!
![Crotalus atrox, in situ](http://fieldherper.com/fieldherper/wp-content/uploads/2009/04/c-atrox-1-041009.jpg)
![Western Diamondback Rattlesnake](http://fieldherper.com/fieldherper/wp-content/uploads/2009/04/c-atrox-2-041009.jpg)
Continuing up the wash, well’camoflauged canyon treefrogs (Hyla arenicolor) were everywhere in various forms.
![Hyla arenicolor](http://fieldherper.com/fieldherper/wp-content/uploads/2009/04/h-arenicolor-1-041009.jpg)
![Canyon Treefrog](http://fieldherper.com/fieldherper/wp-content/uploads/2009/04/h-arenicolor-2-041009.jpg)
Canyon treefrogs display some amazing camouflage. There are 2 hiding in this crack doing their best rock impression.
![Canyon Treefrogs](http://fieldherper.com/fieldherper/wp-content/uploads/2009/04/h-arenicolor-3-041009.jpg)
The stream still had some moving water, in which each puddle was home to a good number of these lowland leopard frogs (Rana yavapaiensis).
![Rana yavapaiensis](http://fieldherper.com/fieldherper/wp-content/uploads/2009/04/r-yavapaiensis-041009.jpg)
Tags: arizona, atrox, black-tailed rattlesnake, canyon treefrog, Crotalus atrox, Crotalus molossus, Diamond back, Diamondback, Diamondback Rattlesnake, Field Herping, field herping arizona, field herping in arizona, Photography, Superstition Mountains, Western Diamondback Rattlesnake