White-bellied Heron

The white-bellied heron, also called the imperial heron, is the second largest heron, about 127 cm tall with an estimated mean weight of 3.2–3.4 kg. It has uniform dark grey plumage with a whitish belly, a white throat, and long silvery or whitish plumes on the rear crown and lower foreneck. The face is greenish grey, the bill 15–18 cm long and black but greenish near the base and tip, and the legs dull grey. Juveniles are browner above, with a paler bill and legs (Wikipedia, general species account).

It has been seen breeding in the Sankosh and Mangdechhu river basins of Bhutan, with nests in chir pine, champak and bayur trees at 400–1,430 m (Wikipedia, general species account).