CNN - Here's how to survive a rattlesnake bite -- or...

What's Inside Rattlesnake Rattle?

If you encounter a rattlesnake on your #PHX hike, the best thing to do is avoid it! 🐍Don’t panic, distance yourself, stay on the trail and notify a Park Ranger and other hikers in the area. If you have been bitten by a snake and need emergency services, call the Poison Control Hotline at 800-222-1222 or 911. | City of Phoenix, AZ USA

How the rattlesnake make noise?