A look into the world of the “not great” apes—including the amazing singing siamangs, the sopranos of the forest—that are smaller than the great apes and often confused with monkeys.

Originally released by Bellum Entertainment/Midori Entertainment, 2012. Streaming video file encoded with permission for digital streaming by Infobase on July 11, 2016.

Primates: Monkey vs Ape (4:06); --Monkey Noses (1:51); -- Animal Facts (2:33); -- Primate Hands (3:55); -- Animal Facts (1:51); -- African Monkeys (3:48); -- South America's Woolly Monkeys (1:25); -- Funny Animal Voice-overs (0:49); -- Credits: Monkey Around: Animal Atlas (1:18); .