Quartet in wetland show - Experts spot four new migratory species at Tata lake while urbanisation pauses passerine bird count Jamshedpur, Jan. 16: The joy of avian enthusiasts has quadrupled this winter, with four new wetland guests making a splash in the steel city. A recent survey by ornithologist K.K. Sharma and Tata Steel Zoological Park director Bipul Chakrabarty has zeroed in on the large cormorant (Phalacrocorax fuscicollis), the great crested grebe (Podiceps cristatus), the tufted pochard (Aythya fuligula) and the bronze-winged jacana (Metopidius indicus) as new winged entries this year.