In veterinary science, behavior is often the first "vital sign" to change. An animal cannot tell a doctor that it has a dull ache in its abdomen, but it will communicate that distress through lethargy, aggression, or a loss of appetite.
For example, a veterinarian specializing in avian medicine uses ethological data to explain that a parrot’s feather-plucking might be a result of social isolation or a lack of foraging opportunities, rather than just a skin allergy. Why This Connection Matters Zoofilia Mulher Fudendo Com Uma Lhama -