Tarsiers, the World's Smallest Primate: Animal Planet on the Looney Front, Part 9
It has the largest eyes of any mammal in relation to its body size (each eye is heavier than its brain), it bears the largest baby in relation to its adult size, and it is arguably the world's smallest primate -- at barely a hand's length.
tarsier world smallest primate animal planet looney large eye mammal relation body size eye heavy brain bear large baby relation adult size arguably world small primate barely hand length