Not only people and animals, but also reptiles which quite often creep out on roads and glades enjoy the summer sun. Spetsialisty-serpentologi consider that snakes never the first will attack the person. Also they do it only for self-defense.
Instruction
1. It is considered that a prototype of all vipers is viper ordinary (Vipera berus). It has the scales turned into guards on a darkness, sometimes one number of scales between eyes and the verkhnegubny guards lying under them.
2. In a form the viper ordinary differs from the majority of reptiles in Europe. Her head is behind quite wider than a neck and a little flat, and in front slightly rounded off. The neck is compressed from sides and clearly separated from the head and a body which is much thicker than a neck.
3. Coloring of vipers is very different, but, nevertheless, it is considered that reptiles happen silver-gray color, light-ash-gray, greenish, light yellow and light-brown. On all body of a snake the gear dark longitudinal strip which color coincides with coloring of a body is seen. So, for example, at vipers light - yellowish-brown color and a strip of sand coloring.
4. Except this strip of a viper are allocated with the drawing on the head. The middle of a darkness is decorated with two longitudinal strips with wrong spots and hyphens. Strips go from an eye guard, pass on the middle of a darkness, can connect to a spot of similar color and disperse, forming a triangle.
5. In most cases bottom side of a reptile of black or dark gray color. On each guard there are yellowish separate or merging spots of the most various forms.
6. Distinctive feature of vipers are also big fiery round eyes. Thanks to nadglazny guards they make an impression of rage and insidiousness, especially, if to remember that any other snake has no pupil in the form of a slanting longitudinal crack. At a bright sun this crack is pulled together to thin hardly visible line, and in night-time strongly extends. Generally color of an iris of the eye bright bright-red.