The Smoothhaired Istrian Hound exhibits a distinct behavioral duality, presenting calm and composed demeanor at rest while transforming into an enthusiastic, energetic hunter when working. In home environments, these hounds display gentle and docile temperaments, forming deep attachments to their owners and family members. They demonstrate remarkable loyalty and affection toward those within their established pack, seeking companionship and showing devotion to their handlers. However, this affectionate nature typically extends primarily to known individuals rather than indiscriminately welcoming all people. The breed characteristically shows reserve and caution toward strangers, assessing unfamiliar people carefully before warming to them, if at all.
Intelligence ranks among the breed's notable traits, with these hounds showing quick understanding of routines, boundaries, and expectations. They respond exceptionally well to positive reinforcement training methods that incorporate rewards, praise, and consistent handling. Harsh correction or punitive training approaches prove counterproductive, potentially leading to fearfulness or defensive behaviors. The breed's willingness to please their handlers, combined with their natural intelligence, makes them highly trainable for tasks that align with their instincts. However, their independent hunting heritage means they sometimes exhibit selective hearing when interesting scents capture their attention, requiring patient reinforcement of recall commands.
Vocalization represents a significant behavioral characteristic that potential owners must understand and accept. These scenthounds were deliberately bred to bay persistently while tracking, allowing hunters to follow their progress through difficult terrain. While they moderate their barking somewhat when not actively hunting, they maintain alertness and will announce strangers, unusual occurrences, or anything that arouses their suspicion. This makes them effective watchdogs but potentially challenging neighbors in close residential settings. Their sharp, persistent bay serves its purpose brilliantly in hunting contexts but requires management in domestic situations.
The breed's energy level and exercise requirements significantly influence their daily behavior patterns. These hounds need substantial physical activity to maintain mental and physical wellbeing. Without adequate outlets for their energy, they may develop unwanted behaviors including excessive barking, destructive chewing, or attempts to escape confinement in search of adventure. When their exercise needs are met through long walks, running opportunities, or hunting activities, they settle contentedly indoors, often curling up near family members to rest. Their strong prey drive means they typically cannot be trusted off-leash in unfenced areas, as the appearance of small animals can trigger their chase instinct, overriding trained recall commands. With other dogs, they generally show good social skills, particularly when raised together, reflecting their heritage of pack hunting. However, cats and other small household pets may trigger their hunting behaviors, making multi-species households challenging unless extensive early socialization has occurred.