Sundarbans East Wildlife Sanctuary but their chief prey is the spotted deer ("Axis axis") and the wild boar ("Sus scrofa"). There are three species of wild cat, the leopard cat ("Prionailurus bengalensis"), the fishing cat ("Prionailurus viverrinus") and the jungle cat ("Felis chaus"). Also present are three species of otter, one of which, the smooth-coated otter ("Lutrogale perspicillata"), has been domesticated by local fishermen. The South Asian river dolphin ("Platanista gangetica") inhabits some of the larger water channels. Birds are plentiful with over 270 having been recorded in the area including 38 species of raptor, 95 species of waterfowl and 9 of kingfisher. On
Harike Wetland (6 & 32 taxa), Crustaceans (27 taxa), Annelids (7 taxa), Nematodes (7 & 4 taxa), Rotifers (59 & 13 taxa), and Protozoans (5 & 21 taxa). The Indus dolphin (Platanista gangetica minor) supposed to have become extinct in India after 1930, but largely found in the Indus river system in Pakistan, was recently sighted in the Beas River in Harike wetland area. This aquatic mammal classified as an endangered species in the Red Data Book of the International Union for the Conservation of Nature and Natural Resources is considered a significant find. The dolphins were discovered by Basanta Rajkumar, IFS