What functional outcome of the *Carnivora* lineage explains why Welsh Terriers love to dig and chase small running animals?
Answer
Strong prey drive
The persistence of a strong prey drive in the Welsh Terrier is a direct behavioral manifestation of its biological classification within Carnivora and its historical working role. This drive, honed for independent hunting of vermin like fox and badger in rugged Welsh landscapes, translates into modern behaviors such as an intense desire to dig and chase small, running animals. Understanding this biological programming is key to successful training and managing the breed around small household pets.

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