jararacussu snake (bothrops jararacussu) slithering on the bare

animal big biology bothrops branch brazil brazilian coldblooded colorful crawling creature curve danger descending drooping exotic eye going jararacucu jraracussu motion move mutation natural nature pet pitviper poison predator reptile serpentine serums sinister skin sliding slither slithering snake species themes tongue tree vertebrate wild wildlife zoology