Video Closeup of 36 Inch Diamondback Rattlesnake. The Diamondback can reach lengths of about 72" and account for about 80% of all rattlesnake bites in Arizona.
Video of Actual Rattlesnake Bite: Tucson, Arizona
Rattlesnakes do not always give the distinctive "rattle warning" before striking. Always be aware of your surroundings. This is why you need to seek emergency medical care quickly if bitten by any venomous snake whether a rattlesnake variety or other type of venomous snake.