>>6613406They are hyperactive, true. You need to see them guarding a flock of sheep. It is mindblowing. Not just when they are made to move the sheep, but even when they are just guarding from the side. The sheep herder typically has 2 or 3 dogs, because the concentration of the dog on the sheep wears a dog out after a while, which means the herder then puts the second dog to work, while calling the other back for rest.