 The kakapo has a well @-@ developed sense of smell , which <unk> its nocturnal lifestyle . It can discriminate among <unk> while foraging , a behaviour reported for only one other parrot species . One of the most striking characteristics of the kakapo is its pleasant and powerful <unk> , which has been described as <unk> . Given the kakapo 's well @-@ developed sense of smell , this scent may be a social <unk> . The smell often alerts predators to the largely <unk> kakapo . 
