Psittacine Beak and Feather Disease (PBFD) is a viral infection affecting parrots, cockatoos, and other psittacine birds. Caused by the circovirus, it manifests as feather abnormalities, beak deformities, and immune system suppression. The virus is highly contagious, spreading through feather dust, feces, and contaminated surfaces. PBFD primarily targets young birds, posing a serious threat to aviaries and captive breeding programs. Clinical signs include loss of feathers, deformed beaks, and secondary infections. The disease can be fatal, and survivors may become carriers, perpetuating the cycle. There is no specific treatment, making prevention crucial. Strict quarantine, hygiene practices, and testing are essential for controlling PBFD. Genetic resistance and early detection through blood tests contribute to effective management. The impact of PBFD on wild and captive bird populations emphasizes the need for comprehensive measures to curb its spread and protect the welfare of psittacine species.