close up of a fierce and aggressive green viper snake with an open mouth baring its sharp fangs and bifurcated tongue in the lush

snake green viper reptile predator nature wilderness wildlife jungle forest animal venomous fangs tongue danger fierce aggressive coil scales eye closeup macro detail natural environment flora foliage habitat tropics exotic reptilian scaly wild dangerous slither hiss fang venom serpent python boa cobra rattlesnake mamba anaconda ular creature feral menacing intimidating