From the numerous group of the goose-like living on all continents of the globe, to us ducks, geese, swans, Kazarki and Gaga are most familiar. Their behavior, mental activities are different and sometimes unique symptoms.
Very difficult, for example, the social behavior of the male – they have well developed camaraderie. Instinctive social behavior allows these birds to unite in flocks, to migrate over long distances and to trust their lives to experienced and reliable leaders.
