Abstract

• Kyaikhtiyo Wildlife Sanctuary in Mon State is selected as study area, lies between (17º 24 N - 17º 34 N) and (97º 1 E - 97º 10 E), and is about 137 square kilometers (38600 acre) in area. The Mountain range of Wetwun Taung and its eastern environ including Wetwun Chaung and Kadat Chaung was chosen as Site A, Yathae Taung and its western environ as Site B, Wait Sar Taung and along its south-eastern face to near the highest peak at Kyaikhtiyoe Pogada as Site C, and the visitors-walking route from near Kinmon Sakan to Ye Myaung Gyi as Site D respectively. The specimens were collected by direct observation and visual encountered survey (VES). Seventeen reptile species of 11 genera belonging to 7 families of two orders are recorded in the study area. The most seasonal abundance of reptiles was concluded as hot season. the family Gekkonidae (60 individuals) was recorded to be highest number; second Agamidae (38 individuals), third Scincidae (26 individuals), and fourth Viperidae (3 individuals) were followed orderly, Platysternidae (1), Trionychidae (1), and Colubridae (1) as lowest number.