snake poisonous viper spring curled in rings on dry last year`s leaves. vipera berus

adder basking berus black blackstripe closeup creature creep danger dangerous deadly disguise fast fear forest glade grass habitat head herpetology moss nature permeating phobia poison poisonous pond portrait reptile ring scary serpent serpentes snake snakes spiral spring sting swamp tangle threaten venom venomous viper vipera watersnake wild wildlife wreath