The snake itself is not the most condusive being. And spiders, quite frankly, not everyone likes to unconsciousness.
But that mother nature was not enough, and that it creates this:
The Viper with a tail in the shape of a spider.
This rare type of snake found relatively recently - in 2006. Basically this snake lives in the deserts of Iran and is rarely found anywhere else (thank God!) 97,406,822
Viper uses its unusual tail as a way to lure prey blizhe.Ona wiggles its tail just a little while simulating the movement of the earth spider. When "spider" draws attention to the potential victim, it begins to approach, hoping to eat it - and as a result she is eaten by that master maskirovki.
Here is the tail of the snake in action:
And now, my friends, good night!