Cylindrophis ruffus, Red-tailed Pipe Snake, rested on a wooden floor and looped in a figure of eight knot undoing itself and moving out of the frame

common pipe snake cylindrophis ruffus cylindrophis redtailed pipe snake nonvenomous nonvenomous snakes red cylinder snake slithering snake nocturnal snakes harmless snakes snakes in thailand slither snakes in asia herpetology reptiles in thailand cylindrophiidae reptiles in asia slithering animals snake breathing animals with scales slithering movement wildlife in thailand serpentes scaled animals wildlife in asia snakes herping animals in thailand reptiles harmless animals in asia herper herp wildlife nature in thailand scales legless animals twisting movement legless vertebrates wild animals animals zoology twisting oscillating motion nocturnal nature nocturnal animals surinami