| Smooth Otter [Lutra (Lutrogale) perspicillata]
 
 All Otters
 
 Recorded from scattered
 localities in most areas including the Tg. Sirik and Kuching areas in
 Sarawak.
 Smooth Otter
 [Lutra (Lutrogale) perspicillata]
 
 Measurements:
 HB 522-750, T 355-450, HF-140 (1 immature
 Sabah and several mature Thailand specimens). Skull: cbl 120.8, io 18.5,
 mt 40.6 (1 Sabah specimen).
 Identification:
 Upperparts brown; underparts buffy.
 Throat and sides of neck creamy coloured. Fur short, smooth and sleek.
 Nose hairless.  Tail flattened on underside. Feet large and webbed up
 to last joint on digits.  Claws prominent. Penis of adult male protrudes
 beyond body wall. Contact call "wiuk".
 Similar species:
 the Hairy-nosed Otter,
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