Kakapo the presence of kakapo. As a nocturnal species, the kakapo has adapted its senses to living in darkness. Its optic tectum, nucleus rotundus, and entopallium are smaller in relation to its overall brain size than those of diurnal parrots. Its retina shares some qualities with that of other nocturnal birds but also has some qualities typical of diurnal birds, lending to best function around twilight. These modifications allow the kakapo to have enhanced light sensitivity but with poor visual acuity. The skeleton of the kakapo differs from other parrots in several features associated with flightlessness. Firstly, it has the smallest
Kakapo midden deposits show that the bird was present throughout the North and South Island before and during early Māori times. Māori hunted the kakapo for food and for their skins and feathers, which were made into cloaks. They used the dried heads as ear ornaments. Due to its inability to fly, strong scent and habit of freezing when threatened, the kakapo was easy prey for the Māori and their dogs. Its eggs and chicks were also preyed upon by the Polynesian rat or kiore, which the Māori brought to New Zealand. Furthermore, the deliberate clearing of vegetation by Māori reduced