Bullmastiff vs Scottish Deerhound IQ: A Detailed Comparison

Side-by-Side Cognitive Profiles

The Bullmastiff, recognized by Coren as ranking #69, exhibits a cognitive profile deeply rooted in its heritage as a gamekeeper's night dog. Across our five key dimensions—Problem Solving, Training Speed, Social Intelligence, Instinctive Drive, and Memory—the Bullmastiff consistently registers a score of 3/5. This suggests a moderate, pragmatic approach to challenges; they are capable of figuring things out but may not seek novel solutions for their own sake. Their training speed reflects a willingness to learn for a trusted handler, albeit with a deliberate pace, and their social intelligence is typically directed with profound loyalty towards their immediate family unit. Instinctively, their drive is centered on protection and vigilance, a trait that informs much of their engagement with their environment and their capacity to recall specific commands and routines.

In contrast, the Scottish Deerhound, a sighthound breed, does not feature on Coren's ranking, yet also achieves a uniform 3/5 across the same five cognitive dimensions. For this breed, a 3/5 in Problem Solving often manifests as independent decision-making, particularly in pursuit scenarios where quick, on-the-spot assessments are crucial. Their Training Speed, while moderate, can be influenced by their independent nature, requiring engaging and varied methods to maintain focus. Social Intelligence at 3/5 for a Deerhound typically means a gentle, reserved demeanor, affectionate with their chosen people but not overly demonstrative. Their Instinctive Drive is powerfully geared towards chase and sight-hunting, defining much of their interaction with moving stimuli, and their Memory serves them well in recalling specific routes or patterns observed in their expansive outdoor activities.

Where the Bullmastiff Excels Cognitively

The Bullmastiff's cognitive strengths shine particularly in contexts demanding steadfast loyalty and a discerning protective nature. Their 3/5 social intelligence, combined with their instinctive drive for guarding, translates into a sophisticated understanding of their family's dynamics and perceived threats. They are adept at differentiating between familiar visitors and potential intruders, often making nuanced judgments based on body language and environmental cues, a form of practical problem-solving directly tied to their role. This isn't about complex abstract thought, but rather an acute situational awareness.

Furthermore, their memory, also at 3/5, is often applied to recalling rules, routines, and the boundaries established within their home environment. A Bullmastiff can remember specific commands and expectations over extended periods, particularly when these are consistently reinforced and tied to their role as a companion and guardian. This consistent recall aids in maintaining a predictable household structure, where their deliberate training speed proves effective in embedding long-term behavioral patterns.

Where the Scottish Deerhound Excels Cognitively

The Scottish Deerhound's cognitive advantages are deeply intertwined with their sighthound heritage, particularly in areas requiring swift environmental assessment and independent action. Their 3/5 problem-solving often manifests as an exceptional ability to navigate varied terrain while in pursuit, planning optimal routes and adjusting strategies on the fly based on visual information. This isn't about solving puzzles for a treat, but rather an innate capacity for dynamic spatial reasoning and rapid decision-making in open spaces.

Their instinctive drive (3/5) for chase fuels a heightened observational capacity, allowing them to spot distant movement that might escape human notice. This keen visual processing is a specific cognitive strength, enabling them to react with remarkable speed and precision. While their memory (3/5) might not always be about obedience commands, it is highly effective in recalling hunting patterns, preferred running paths, or the locations of interesting scents, demonstrating a different, yet equally valuable, form of cognitive retention tied to their primary drives.

Training: Biddable Guardian vs. Independent Hunter

When it comes to training, the Bullmastiff, with its 3/5 training speed, generally presents as a more biddable student compared to the Scottish Deerhound. Their working breed background means they often possess a stronger desire to cooperate with their human companions, especially when the training is consistent and positive. While they can exhibit a stubborn streak, their underlying motivation to please their family and fulfill their guardian role makes them responsive to clear leadership and routine. They learn at a steady pace, and once a command is understood, their 3/5 memory ensures good retention.

The Scottish Deerhound, also scoring 3/5 in training speed, approaches learning with a different mindset. As sighthounds, they are bred for independent thought and action, meaning they may not always perceive an immediate benefit in strict obedience. Their powerful instinctive drive for chase can be a significant distraction, making recall and focus in open environments challenging. Training a Deerhound requires patience, creativity, and an understanding of their inherent drives. They respond best to positive reinforcement, short, engaging sessions, and trainers who can make learning feel like a collaborative game rather than a series of demands. While gentle, their independence means they are less inclined to simply 'obey' without understanding the purpose, or if a more compelling instinct takes over.

Suited Owners: Calm Companion vs. Athletic Explorer

For owners seeking a more relaxed yet attentive companion, the Bullmastiff often fits the bill. Despite their imposing size, Bullmastiffs are typically calm and relatively low-energy indoors, content with moderate daily exercise like leashed walks and yard play. Their social intelligence (3/5) means they thrive on close family interaction and a predictable home environment. They suit owners who appreciate a steadfast presence, value a protective nature, and can provide consistent, gentle training without demanding high-octane activities.

The Scottish Deerhound, while capable of being a serene presence indoors, requires a different commitment to exercise. Their powerful instinctive drive for chase necessitates regular, vigorous sprints in a secure, expansive area where they can stretch their long legs at full speed. Owners who are active, enjoy large, fenced properties, or have access to safe, open spaces for off-leash running will find the Deerhound a rewarding match. They suit individuals who understand and can cater to their sighthound needs, appreciating their independent spirit and the quiet dignity they exude in a home setting after a good run.

The Verdict