some birds mate for life, like married couples. these birds include pigeons, geese, and cranes. other birds look for new partners each year. for birds that choose new mates, part of the breeding season is display. the male bird will do all sorts of things to attract females. these include singing, dancing, showing off the feathers and building a beautiful nest. some male birds have splendid feathers for attracting females. the most famous is the peacock who can spread the feathers above his tail into a huge fan.