detail of juvenile colorful zamenis longissimus

aesculapian aesculapius animal beautiful brown close closeup colorful colubridae elaphe european face fascinating fearsome frightening habitat head herp herpetology juvenile longissima longissimus macro medical medicine mythology nature non portrait reptile reptilia scary serpent serpentes skin slender slither slithery snake squamata symbol symbolism venomous vertebrate wild wildlife yellow young zamenis zoology