We could fit the smallest monkey, the pygmy marmoset, on here.

我们可以把最小的猴子，侏儒狨猴，放在这里。

From the world's smallest monkey, the pygmy marmoset weighing as little as 4 ounces to the world's largest monkey, the mandrill weighing as much as 77 pounds.

从世界上最小的猴子，只有4盎司重的侏儒狨猴到世界上最大的猴子，重达77磅的大狒狒。