In veterinary science, behavior is the "language" of the patient. Because animals cannot verbally communicate pain or discomfort, practitioners rely on ethology—the study of animal behavior—to identify abnormalities. A cat that stops grooming, a dog that becomes uncharacteristically aggressive, or a horse that begins "cribbing" are all exhibiting clinical signs. By understanding species-specific behaviors, veterinarians can distinguish between a behavioral quirk and a symptom of underlying pathology, such as neurological disorders, metabolic imbalances, or chronic pain. Stress and Physiological Health
: Behavioral changes—such as a sudden lack of appetite, pacing, or an inability to settle—are often the first signs of illness or pain in a pet. zoofilia con gallinas hot