Nose-horned Viper, poskok

Viper is the largest, most toxic and dangerous European viper. His head is a heart-shaped appearance, with its small horn on the top of the nose. Body color varies depending on the residence and goes from light gray to reddish-brown. Winding dorsal pattern is continuous and clearly expressed. Females grow to about 60 cm, and males can grow up to 100 cm. In some populations noticeable color differences between males and females. Males are ash-gray, while females are mostly brown, gray-brown or red-brown, also on this picture is female. On the back there is a characteristic "zig - zag" line in some instances broken, and forming a rhombus. Not aggressive and if it upsets begins hiss and tries to escape.