Jetstream Green
Kool Aid with a touch of vodka
Yup, they strike off of heat and if you freak them out and they are just getting conscious from controlling their body heat, they just strike at anything warm which gets close and never rattleI have heard it and it is a special sound.
However, rattlesnakes have not rattled every single time I have seen one. At Lake Roosevelt in April i turn to my side and look and there is a rattlesnake about 2-3 yards from me. It cruises right through the middle of camp, right past several people and never made a sound.
And, it was a rattlesnake not a long nose snake. The rattle was very apparent.