Dilating pupils, wheezes and head-butts: the male bowerbird’s tips for seduction

Endemic to the rainforests of New Guinea, flame bowerbirds possess one of Earth’s most distinctive courtship rituals. In this excerpt from the BBC’s ‘Life Story’ series, a brilliantly coloured male bowerbird builds, dilates his pupils, wheezes, dances like a matador and head-butts, all in the service of securing a mate.