After two months of effort, the red stallion finally gave up the fight to the younger male on the right. The red was fighting to keep a mare that had been with him for over three years. A closer look well reveal a wound on the red stallion's neck that was a factor in his final loss. It later became severely infected and cancerous.
After a year away from the herd in exile, he is finally coming back into his once fierce fighting style and I would predict he will have won back the mare he lost a year ago.
We will see on my next visit to the desert.