By this time, they would’ve already set off to Kutch or getting ready for the journey. When we met them in December, they were busy feeding on the algae in the Sewri mudflats. Flamingos migrate to Maharashtra during winter after spending the breeding season in Kutch, Gujarat. Sewri, a port area in Mumbai, is one of their favourite hangouts. How did they choose to come to this derelict area?  Maybe, the rich algae found in the muddy tracts that get exposed during low tides. Feeding on these algae that have a carotenoid pigment, these migratory birds turn rich pink by…