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Historically, Animal Behavior was a practical necessity for human survival—essential for hunting, domesticating livestock, and avoiding predators. In the mid-20th century, it evolved into a formal scientific specialty. The establishment of the in 1966 marked a turning point, formally linking behavioral studies with the British Veterinary Association .

In human medicine, a doctor checks temperature, blood pressure, and heart rate. In , there is a fourth, often overlooked vital sign: behavior. A change in an animal’s normal behavioral repertoire is frequently the first, and sometimes the only, indicator of an underlying medical condition. Historically, Animal Behavior was a practical necessity for