At first we focused on the 2 that got into the fight. But once she let the younger dog out of the crate (just before this video). I understood it was his energy the female was trying to control but he was faster than the old male- so the white female took her displeasure out on him. This is called re-directed aggression- he was not her intended target but was the closest thing. People sometimes see this when a couple dogs are behind a fence barking their displeasure at another dog or person and