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