Subscribe | UPI Odd Newsletter Subscribe June 22 (UPI) -- An Alabama man captured video of the moment a headless rattlesnake attempted to attack him in the back of his pickup truck. Billy Forbus said he loaded the formerly venomous snake into the back of his truck after shooting its head off, and he was shocked when the headless body started to strike at him. Advertisement Forbus said he had been planning to take the felled serpent to show his brother and father after killing it in his garden. Experts said snakes are able to continue attacking after being beheaded because their slow metabolisms keep their internal organs working for a time after decapitation. Read More Man finds rattlesnake hiding in cart at Walmart Virginia police escort rattlesnake across busy road Utah man records rattlesnake out for a swim in reservoir