Species diversity and winter migratory water birds increase at Najafgarh Jheel Najafgarh jheel, another rich residential colony of Delhi World Migratory Bird Day: Winter Migratory birds still soaking sun in Najafgarh Winter Migratory birds still soaking sun in Najafgarh Jheel A look back at the migratory bird season in Delhi NCR AWC records sharp decrease in the number of birds at Najafgarh Jheel Asia Waterbird Census to be conducted in wetlands of Delhi NCR A citizens’ walk to Najafgarh jheel organised by KLoDB