Southern Pacific rattlesnake. The southern Pacific rattlesnake is common in southern California from the coast through the desert foothills to elevations of 10,000 feet. It reaches 4-5 feet (1.5m) in length.
Species: Southern pacific rattlesnake, Crotalus viridis helleri
Image ID: 12585
Lamar Valley, summer. The Lamar Valleys rolling hills are home to many large mammals and are often called Americas Serengeti.
Location: Lamar Valley, Yellowstone National Park, Wyoming
Image ID: 13647