We live on the planet characterized by the extreme diversity of species and landscapes. There are thousands of animals which surround us and nature might surprise a person every day, presenting new unique phenomena. Besides, in the process of evolution, only one certain kind of animals was able to obtain clear mechanisms of communication and thinking which resulted in the appearance of a complex society and sophisticated system of interaction between different individuals. We obviously talk about human beings as for the long time they had been taken as the only animals which could think. However, at the moment the rapid evolution of science and increased level of attention given to the investigation of animals introduced another idea which states that other species might also have the ability to think and perform complex actions which are motivated not only by instincts. The question still remains doubtful; however, the discovery of this very ability might change the world greatly. Besides, we know numerous species that are characterized by complex and sophisticated relations within a group or between the representatives of different individuals. This fact could be used as the evidence to the statement that animals might have the ability to think to interact with each other, share information, and align the efficient cooperation. One could hardly believe that a certain animal behaves in one or another way just because of the instinct which determines a certain mode of life and way of behavior. It is much more likely that an animal unit acts in one or another way because it realizes the fact that this action might result in the alteration of the current state and improved final outcomes. For this reason, we could assume that animals obviously have to possess the ability to think to survive, cooperate, and foresee different dangers. We could analyze the behavior of certain creatures to understand the motifs that impact them. For instance, the way mimic octopus responds to a threat, and some peculiarities of its behavior often astonish scientists as these actions could be described as extremely intelligent. It is able to impersonate other species and change the color and texture of its skin to blend with the environment (“Amazing Octopus”). We could see that in case there is any sign of threat, this very animal responds in a moment and alters the manner of its behavior (“Amazing Octopus”). Considering this fact, we could say that it proves mimic octopus ability to think. The animal not just acts instinctively; however, it analyzes the manner of behavior of another animal unit and uses it to escape and remain alive. This process is more complex than just an instinct. Additionally, some other peculiarities of its behavior could also prove the existence of a certain conscience which helps this very animal to survive. Crow is another animal that could be used as an example of great mental capabilities peculiar to representatives of the animal world. The majority of people who closely interact with these birds admit the fact that they obviously understand what people say and are able to respond in an appropriate way (“Genius Bird”). Additionally, they are able to remember and reproduce diffe