9.75 x 15 in. (24.8 x 38.1 cm.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...

What is the northern white-cheeked gibbon? Though they might look a bit like monkeys, northern white-cheeked gibbons are officially classified as apes. One easy way to tell the difference is that ...