close up photograph of a fierce and aggressive pink viper snake with an open mouth revealing its sharp fangs and bifurcated forked

snake viper pink reptile animal predator nature wildlife fangs tongue openmouth dangerous venomous reptilian scaled coiled hissing serpent scaly fierce fiercelooking aggressive threat attack strike wild zoology ophiology closeup macro detail vibrant colorful slithering venomoussnake serpentine fanged bifurcatedtongue strikingpose herpetology zoological naturalhistory naturalist wilderness untamed fierceexpression lethal deadly menacing sinister