How is the head shape of the Tenterfield Terrier often described compared to some traditional JRT lines?

Answer

Slightly finer or less blocky

Breed clubs refine features differently, and the Tenterfield Terrier is often described as having a head that is slightly finer compared to some traditional Jack Russell Terrier lines which may have broader heads bred purely for task performance.

How is the head shape of the Tenterfield Terrier often described compared to some traditional JRT lines?

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DogbreedTenterfield TerrierJack Russell