Nepal, Nov. 23 -- headed gulls, a bird that breeds way up North, reached Kathmandu valley last week. Thousands of birds from over 150 species call Nepal home or use it as a stopover site during the winter migration season. The migration of Demoiselle crane and Bar-headed geese, which takes them above the mighty Himalayas, has puzzled many scientists and naturalists. Sir Edmund Hilary, in his book High Adventure, mentions observing birds above Mount Everest during the ascent towards the summit.

Every spring, billions of birds flock together to make their annual journey towards their northern breeding grounds. They spend roughly 3-4 months making the arduous journey back to their wintering grounds. This brilliant spectacle of our feathered...