Are Brussels Griffons hard to train?

Brussels Griffons are moderately intelligent, ranking 3 out of 5 in both obedience and problem-solving, and have excellent memory (4/5). While not difficult to train, their social intelligence (2/5) and independent streak mean they respond best to consistent, positive reinforcement rather than repetitive drills. They learn quickly when motivated but may appear stubborn if training lacks engagement. For a deeper dive into their unique intelligence, read the full article.