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