Beheim, Bret Alexander Department of Human Behavior, Ecology and Culture, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;
Gurven, M., Costa, M., Eid Rodriguez, D., Stieglitz, J., Beheim, B. A., Trumble, B., et al. (in preparation). Costs of reproduction are minimal despite high fertility, mortality and active lifestyle.