One of the men shoots the creature once, who then stops choking the man. There is a pause after the choked man had been released and then the man with the gun decides to shoot the rare creature with three more slugs just for good measure.
One of the men dispatches the creature with a single shot, and it ceases to be constricting him. There is a momentary pause after the man has been released from its grasp, and then the man with the gun chooses to deliver a finishing blow to the rare creature with additional shots.