english: It can also be social withdrawal, when an animal just takes himself or herself away from friends and stays by themselves, or a failure to eat or sleep properly, sometimes a depressed posture or vocalization.
non_english: Može biti i društveno povlačenje, kada se životinja samo udalji od prijatelja i ostane nasamo, ili ne može da jede i spava kako treba, a ponekad i depresivno držanje ili oglašavanje.