Endemic to siau island , indonesia , the tarsier has been assessed as critically endangered .
作为印尼斯欧岛的特有动物，眼镜猴已被评定为极度濒危物种。
Like the wide-eyed tarsier , night monkeys also lack a tapetum lucidum .
像大眼眼镜猴一样，夜猴也没有反光膜。
The siau island tarsier ( tarsius tumpara ) is considered to be one of the world 's 25 most threatened primates , according to the latest update of the iucn ' red list ' of endangered species .
