www.bbc.co.uk/news/world-us-canada-44392861
I am not snake-phobic really, but this story freaked me out! 
"Jennifer Sutcliffe told local station KIII-TV that her husband was working in the garden when he saw the four-foot (1.25m) rattlesnake and decapitated it.
When he picked up the snake's remains to dispose of them, the head bit him.
A snake's bite reflex can be triggered up to several hours after it has died "