kanohi hōmiromiro
1. (noun) someone with an eye for detail, someone with keen eyesight, sharp sighted, sharp-eye, eagle-eye - a saying based on the observation that the hōmiromiro (tomtit) has keen eyesight and watches for its food on the ground and on trunks of trees, etc.
Kīia ai te tangata karu tore, ‘he kanohi hōmiromiro’ (Te Ara 2015). / A sharp-eyed person is called a 'kanohi hōmiromiro’ (tomtit eyes).