It just depends what you search for in a dog.IMO it is a poor LGD, cause if it would get hot, the dog wouldn't be able to protect the livestock. The best is a dog who has is a loud mouth,but got ability to back it up. Just "alarm" isn't always enough.For this dog it was, but that's got to do with the wolf. I also was thinking this could be a hybrid.It's hard to imagine they'd use a real wolf for such a documentary,and risk a dog with such poor ability against a true wolf. Anyhow,back to the original topic.I'd also like to know more about this subject.