Answer: tarsier

AnswerCrossword Clue
TARSIERBig-eyed primate of East Indies.
tarsiersmall, arboreal, nocturnal primate of the genus Tarsius, of Indonesia and the Philippines, having a long thin tail, very large immobile eyes, and prominent pads on the fingers and toes: all populations are dwindling
tarsiera nocturnal primate