One easy way to tell the difference is that, like chimpanzees, gorillas, and orangutans, northern white-cheeked gibbons have no tail. As babies, northern white-cheeked gibbons are typically tan in ...

Others, like gibbons and humans ... And in these situations, doctors will surgically remove the tail with no harm to the baby. But as cool as it might sound to have an extra limb to swing through ...