Airedale Terriers 2008 Wall Calendar The largest breed of terriers, the Airedale was employed as one of the first police dogs in Germany and Great Britain. These terriers are born hunters. They love to chase vermin on dry land and in the water. Good-natured and fun-loving dogs, they bring much love into any home. For the dog lover who favours this energetic breed, BrownTrout offers this wonderful Airedale Terriers wall calendar.