Once I was a regular visitor to Bharatpur Bird Sanctuary , the best time to visit is mid December till first week of January , when you can see the famous Siberian cranes , Tufted Duck (Aythya fuligula),Greater white-fronted Goose ,Greylag Goose (Anser anser),Common Shelduck (Tadorna tadorna),Pallas's Fishing-eagle and lot more in their natural habitant.
Keep a watch on local news paper such as Rajasthan Patrika , they generally report immediately arrival of this beautiful and elegant bird.