The Ache, whose life history the authors recounts, are a small indigenous population of hunters and gatherers living in the neotropical rainforest of eastern Paraguay. This is part exemplary ethnography of the Ache and in larger part uses this population to make a signal contribution to human evolutionary ecology.

chapter 1|40 pages

Life History and Demography

chapter 2|42 pages

The Ache

chapter 3|28 pages

Study Population and Sampling Methods

chapter 5|28 pages

Causes of Mortality

chapter 6|40 pages

Rates of Mortality

chapter 8|24 pages

Female Fertility

chapter 9|20 pages

Male Fertility

chapter 11|34 pages

Body Size and the Timing of Sexual Maturity

chapter 13|48 pages

Kin Effects on Life History

chapter 14|18 pages