The white dog is my bull/bird cross rcd, Bullet. He doesn't cover the ground my catahoulas do, but he hunts between 100-300 yds. He's silent and I've never had any issues with him getting winded or overheating and I do run a vest on him. He was a rescue so I couldn't tell you anything about his bloodlines. He'll trash on a armadillo every once in a while, but even then all he does is crunch one and bring it to me without the other dogs even knowing about it.