Magic evolution: why are fish climbing

Animal behavior can be very strange. In the Pacific Ocean, a giant octopus is soaring itself in an underwater hole. In the Hawaiian islands, the agile fish not only float against the current, but rise along the rocks. In South America, the bat - the vampire regains part of the food to his funny comrade.
Why do these animals behave like that?
Looking at nature through the prism of evolution, we will see the world with new eyes. Having learned more about animal behavior, we will admire their amazing adaptation to life:
- horned lizards spray blood to scare away enemies,
- Albatrosses are cheating on their spouses to get more viable cubs,
- the scouts make different sound signals to report not only that the predator is approaching, but also about the direction in which it is moving,
- The black heron is covered with a "umbrella" of wings to make out the prey in the water.
"I always loved animals, but only when I began to study biology, I finally realized how little