We've listed here the 5 best hunting dogs including what they are especially valued for. (mypetneedsthat.com)
The American Spaniel is smaller in size than the English Spaniel, and both breeds make good hunting dogs as well as companions, show dogs, and watch dogs. (trainpetdog.com)
Konrath had a good simile in that regard: «An agent is like a really good hunting dog. (publishingperspectives.com)