 Young birds indulge in play fighting , and one bird will often lock the neck of another under its chin . The kakapo is curious by nature and has been known to interact with humans . Conservation staff and volunteers have engaged extensively with some kakapo , which have distinct personalities . 
 Young birds indulge in play fighting , and one bird will often lock the neck of another under its chin . The kakapo <a href='drop_aux' title='1'><mark>is</mark></a>curious by nature and <a href='been_done' title='2'><mark>has</mark></a> been known to interact with humans . Conservation staff and volunteers <a href='been_done' title='3'><mark>have</mark></a> engaged extensively with some kakapo , which <a href='got' title='4'><mark>have</mark></a> distinct personalities . 
Young birds indulge in play fighting , and one bird will often lock the neck of another under its chin . The kakapo curious by nature and done been known to interact with humans . Conservation staff and volunteers done engaged extensively with sum kakapo , which got distinct personalities .