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
St. Pierre Island of "Casuarina equisetifolia" trees up 12 m (40 ft) high on its northwestern part, covering a third of the land area. The trees were originally planted as windbreak for the mining camp, and have unexpectedly thrived and spread. Most of the plant species once found on St Pierre are now gone, including the "Pisonia", Suicide Tree ("Cerbera odollam") and rosemallow ("Hibiscus tiliaceus"). Some "Pemphis acidula" might persist. By about 1960, it was noted that the most common herbaceous plant was "Stachytarpheta indica", while the introduced Indian Blanketflower ("Gaillardia pulchella") had established itself widely. Sisal ("Agave sisalana"), Chinese tiolet ("Asystasia gangetica"),