Something's Got Our Attention -- Blacktail Rattlesnake (Crotalus molossus molossus); Oro Valley, AZ [Lou Feltz]
This was my Canadian brother-in-law's 1st encouter with a Rattler and this is as close as he wanted to get until I later prodded him to close for a better "group picture"). The dog, on the other hand, is an old AZ native... she wanted to treat the snake as a play toy. Although the Rattler is immediate to the well-used hiking trail, we let the snake be; this is its turf and the locals are well aware the this is snake country.
DSC_0115e; Diamondback Rattlesnake