[2] The sanctuary's 2 km2 (0.77 sq mi) lake and surrounding marshland provide habitat for waterfowl and freshwater fish.

[5] Wetthegan Wildlife Sanctuary comprises a lake of about 2 km2 (0.77 sq mi) surrounded by marshes, where 22 aquatic plant species were recorded.

Waterfowl include lesser whistling duck (Dendrocygna javanica), ferruginous pochard (Aythya nyroca), bar-headed goose (Anser indicus) and pheasant-tailed jacana (Hydrophasianus chirurgus).

Also recorded were hooded treepie (Crypsirina cucullata), Ayeyarwady bulbul (Pycnonotus blanfordi), common myna (Acridotheres tristis), white-throated babbler (Argya gularis), Asian palm swift (Cypsiurus balasiensis).

[3] Little grebe (Tachybaptus ruficollis), cinnamon bittern (Ixobrychus cinnamomeus), cattle egret (Bubulcus ibis), knob-billed duck (Sarkidiornis melanotos), cotton pygmy goose (Nettapus coromandelianus), Indian spot-billed duck (Anas poecilorhyncha), Western swamphen (Porphyrio porphyrio), black-winged stilt (Himantopus himantopus) and little ringed plover (Charadrius dubius) were also sighted.