For birds my dad liked to use english setters and pointers together. He said that the setters could go in the brairs that the pointers couldn't. For rodents my best mouser is our english setter Lady. She also takes care of the possom and squirrels. For a dog of 13, She still pretty swift and in good shape. My carin terrier, Herbie, is a good mouser too.
Lady
Herbie
Lady

Herbie
