 The kakapo is the only species of flightless parrot in the world , and the only flightless bird that has a lek breeding system . Males loosely gather in an arena and compete with each other to attract females . Females listen to the males as they display , or " lek " . They choose a mate based on the quality of his display ; they are not pursued by the males in any overt way . No pair bond is formed ; males and females meet only to mate . 
 The kakapo <a href='drop_aux' title='1'><mark>is</mark></a>the only species of flightless parrot in the world , and the only flightless bird <a href='null_relcl' title='2'><mark>that</mark></a><a href='got' title='3'><mark>has</mark></a> a lek breeding system . Males loosely gather in an arena and compete with each other to attract females . Females listen to the males as they display , or " lek " . They choose a mate based on the quality of his display ; they are not pursued by the males in any overt way . No pair bond is formed ; males and females meet only to mate . 
The kakapo da only species of flightless parrot in the world , and the only flightless bird got a lek breeding system . Males loosely gather in an arena and compete with each other to attract females . Females listen to tdamales as they display , or " lek " . They claim a mate based on thdauality of his display ; they ain't pursued by the males in any overt way . No pair bond is formed ; males and females meet only to mate .