Common Name: Black-crowned Night Heron
Scientific Name: Nycticorax nycticorax
Nepali Name: Banke Bakula ( बाँके बकुल्ला )
Size: 58-65 cm
Location: Chitwan, Nepal

As the name suggests, Black-crowned Night Heron has a black crown and upper back with grey wings, rump, and tail. They have short neck and legs, black beak and red iris. Found in wetland below 1370m.

During the breeding season, they have elongated white nape plumes. 

Please feel free to comment below if the above species has been misidentified.