Both sides were matched by strength and stamina and the battle lasted an entire day, from 9am until dusk. Although matched on power, both sides used different tactics to fight... see Warfare for more on the tactics, weapons and style of fighting both sides used.
Warfare and weapons are constantly advancing throughout conflict, even when it only lasted one day!
Animals have been used in conflict throughout history.
In the Battle of Hastings this is no different!
Often there are Rules of War, whether they be spoken or
unspoken, but sometimes to confuse the opposition and
therefore win the war / conflict, these rules are broken.
Conflicts have come to an end in different ways throughout history - the end of a conflict would often depend on what those fighting wanted…