Chapter 11: Sex Ratios
11.0 Introduction
11.1 Chapter objectives
11.2 Characterizing populations
11.3 An introduction to operational sex ratios
11.4 Variety in operational sex ratios
11.5 The puzzle of skewed sex ratios at birth
11.6 The Trivers-Willard hypothesis of sex allocation
11.7 Testing Trivers-Willard in opossums
11.8 Testing Trivers-Willard in red deer
11.9 Testing Trivers-Willard in spider monkeys
11.10 Testing Trivers-Willard in humans
11.11 Beyond Trivers-Willard
11.12 Male bias and extreme sex ratios
11.13 Wrapping Up: Understanding human sex ratios