India, April 15 -- Delhi's annual migrants, the starlings, are making a stopover yet again while returning from India and Sri Lanka to their breeding habitats in Central Asia and Europe. These medium-sized migratory birds, with glossy black heads and pale pink bodies, are the star attraction of the phenomenon that they create - murmuration. It's a term used for coordinated and wave-like movements of flocks of birds that resemble a shifting or breathing cloud. Here's how they are flocking in the Capital to create some spectacular views in the skies....