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