Kakapo relative wing size of any parrot. Its wing feathers are shorter, more rounded, less asymmetrical, and have fewer distal barbules to lock the feathers together. The sternum is small and has a low, vestigial keel and a shortened spina externa. As in other flightless birds and some flighted parrots, the furcula is not fused but consists of a pair of clavicles lying in contact with each coracoid. As in other flightless birds, the angle between the coracoid and sternum is enlarged. The kakapo has a larger pelvis than other parrots. The proximal bones of the leg and arm are disproportionately
Kakapo from her nest to a food source up to away and the male may walk from its home range to a mating arena up to away during the mating season (October–January). 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. While they are curious toward humans, kakapo are not social birds. The kakapo was a very successful species in pre-human New Zealand,