Red-throated Loon

The red-throated loon (red-throated diver in Britain) is the smallest loon, 53 to 69cm long and weighing 1 to 2.7kg. Breeding adults have a dark grey head, a reddish throat patch and a dark back, while winter birds are greyish above and white below. Unlike other loons it can take off directly from land (Wikipedia, general species account).

It breeds on Arctic tundra, often on tiny lakes, and feeds mostly on fish, with some amphibians, invertebrates and plant matter. Pairs are monogamous; both build the nest and incubate the usually two eggs for 24 to 29 days, and both feed the chicks. It migrates by day, singly or in loose groups, and winters in northern coastal waters; in Asia it reaches south to China, Japan and Taiwan. The source does not mention Nepal or South Asia (Wikipedia, general species account).