Animal behavior has several practical applications in veterinary practice. For example, behavioral assessments can inform veterinary diagnosis and treatment plans, improve animal handling and restraint, and enhance owner-animal interactions. Behavioral science also underpins the development of behavioral medicine programs, which aim to prevent and treat behavioral problems in animals.

: Tracking animals in the wild using natural marks (scars, horns) or GPS systems to study movement and social dynamics.

Sudden aggression or "grumpiness" in a normally docile pet is frequently a sign of chronic pain, such as arthritis or dental issues.

: Subtle behavioral changes—such as a cat withdrawing or a dog becoming suddenly irritable—are often the first clinical signs of acute or chronic diseases like joint pain, epilepsy, or endocrine disorders.