'This is a phenomenon when some bird species, like starlings, fly in huge flocks, making dramatic patterns in the sky. You may have seen videos of starlings in Rome, for example, flying like aeroplanes in a show, twisting and changing shape like acrobats. Rosy starlings do something similar, but they aren’t that well known for it. '

Bharati Chaturvedi, avid birder & founder of environmental non-profit, Chintan India, writes