Bowerbird

Bowerbirds are most known for their unique courtship behaviour, where males build a structure and decorate it with sticks and brightly coloured objects in an attempt to attract a mate.
During breeding season, males build a special platform, called a bower, on the forest floor to lure females, and they decorate it with rare objects such as feathers and shiny bits of glass, colours depending on the colour the Bower bird chooses and when building its nest it cant have any other colour except that one colour, this colour is mostly blue but can be yellow, if a Bowerbird thinks it can seduce a female with pink rather than blue they can choose and will decorate the Bower the way it wants.For many males, the effort will be mostly futile. A younger male, for instance, may be able to seduce only a single one of his dozens of visitors — or none at all. Indeed, many males get not even a single glance: in a recent study, 75 percent of female birds visited only one bower before mating. In contrast, older males often have potential mates constantly stopping by for a peek. These more experienced suitors may mate with dozens of different females in a single breeding season.