The Sholinganallur marshland presents an analogous situation. A roster seemed to have been prepared for which species could range over the waters at a given time. Fulvous whistling ducks having entered the picture, the orderly roster system stands discontinued. In these parts, the fulvous whistling duck is a local migrant, its movements dicated by considerations of waters in which they splash into with the right green cover for them to take their food from. Based on observations, there is a theory that the fulvous whistling duck is slowly but surely putting in the shade, a cousin — the lesser whistling duck which enjoys a greater association with waterbodies in and around Chennai.

Source: The Hindu September 09, 2023 12:55 UTC