You shouldn't hit dead animals.
Troy is walking on the trail when he sees a dead possum on the path.
Troy wants to pass by the dead body of the possum.
Troy walks around the dead animal making sure to stay away from it.
Troy walks over the dead animal, stepping on it when he crosses it.
Troy has a great walk after he gets past the dead possum.
The bloated animal explodes and spews bodily fluid all over Troy.