Cover -- Contents -- List of Illustrations -- Preface -- CHAPTER 1. What Is a New World Monkey? -- What is a monkey? -- What is a platyrrhine? -- Platyrrhines and catarrhines -- Platyrrhine taxonomy - ...
New World monkeys are mostly distinguished from their Old World counterparts – found in tropical Africa and Asia – by their flat noses, small to medium size, and tree-dwelling tendencies. How monkeys ...
Researchers found that New World monkeys can produce extreme yodeling-like sounds by rapidly switching between their vocal folds (for low tones) and specialized vocal membranes (for high tones), ...