In the context of animal behavior and veterinary science, a "proper feature" refers to a well-defined, clinically relevant, and measurable characteristic or trait that aids in the assessment, diagnosis, treatment, or management of an animal’s behavioral health alongside its physical health.
In the past, behavioral issues like aggression or house soiling were often dismissed as "naughty" behavior. Today, veterinary behaviorists recognize that these are often symptoms of underlying physical or psychological distress.
Tinbergen’s Four Questions: Scientists evaluate behavior by asking about its mechanism (what triggers it), ontogeny (how it develops), phylogeny (how it evolved), and adaptive significance (how it helps survival).
Just as Fitbits monitor human health, devices like PetPace collars and Inupathy (heart rate variability monitors) allow vets to track behavioral parameters remotely. A drop in activity or a change in sleep patterns can alert the vet to the onset of illness days before physical symptoms appear.