1) Many forms of behavior in birds are caused by instincts – complexes of unconditioned reflexes preserved by natural selection.
2) In the spring, the instinct of reproduction begins to appear in birds, so they form (break up) pairs.
3) It is easier for birds living in a pack to navigate in space, defend themselves from enemies and get their own food
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.