Group of Dog Breeds Meant to Hunt Rats and Moles

Puzzle 1 of Team Building Pack

Question is: Group of Dog Breeds Meant to Hunt Rats and Moles

and the answer is: TERRIER

Word Meaning:

TERRIER — A dog from a group of small, lively breeds, originally bred for the hunting of burrowing prey such as rats, rabbits, foxes, and even otters; this original function is reflected in some of their names (e.g. rat terrier).

Definitions from Wiktionary.