It is most often used by the Saharan horned viper , `` Cerastes cerastes '' , and the sidewinder rattlesnake , `` Crotalus cerastes '' , to move across loose desert sands , but it is also used by Homalopsine snakes in Southeast Asia to move across tidal mud flats .
It is often used by the Saharan horned viper , `` Cerastes cerastes '' , and the sidewinder rattlesnake , `` Crotalus cerastes '' , to move across loose desert sands . It is also used by some snakes in Southeast Asia to move across tidal mud flats .