sabah bamboo pitviper crawling on a dry tree branch. green pit viper in malaysia national park. poison snake in rainforest

poison nature tree forest animal green tropical wildlife fauna predator reptile rainforest snake borneo sabah venom herpetology viper malaysia bamboo pitviper trimeresurus sabahi closeup wild skin jungle camouflage zoology danger pit head reptilian arboreal squamata serpentes viperidae whitelipped endangered hunter coil national park natural amazon lesser crawling dry branch fraser's hill branch park