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Specialists (Diplomates of the American College of Veterinary Behaviorists or ACVB) use both medical and behavioral knowledge to determine if a behavior is caused by a neurochemical imbalance, a physical ailment like pain, or a learned response.

A standard vet sees the symptom (the bite). A behavior-informed vet finds the cause (the pain). a physical ailment like pain

Ethologists use "Tinbergen's four questions" to understand behavior: its physiological cause (mechanism), how it develops over a lifetime (ontogeny), its survival value (function), and its evolutionary history. its survival value (function)

Managing behavioral problems often requires a combination of modification techniques and medical support. a physical ailment like pain