The state bird of Assam is

The correct answer is option 4. Key Points The state bird of Assam is the White-winged Wood Duck (Asarcornis scutulata), locally known as Deo Hanh. It is a rare and endangered species, usually found in swampy forests and wetlands of Assam and Arunachal Pradesh. Assam adopted it as its state bird to highlight the need for conservation of this threatened species. Other options: Hornbill → State bird of Arunachal Pradesh and Kerala (Great Hornbill). Peacock → National bird of India.