National Vital Statistics Reports 64 (2):1–118.
Yamakoshi, Gen. 2004. “Food seasonality and socioecology in Pan: Are West African chimpanzees another bonobo?” African Study Monographs 25 (1):45–60.
Young, Lindsay C., Eric A. VanderWerf. 2014. “Adaptive value of same-sex pairing in Laysan albatross”. Proceedings of the Royal Society B 281:20132473.
Zammito, John H. 2006. “Policing polygeneticism in Germany, 1775: (Kames,) Kant, and Blumenbach”. In The German Invention of Race, edited by Sara Eigen, Mark Larrimore. Albany: State University of New York Press, pp. 35–54.
Zefferman, Matthew R., Sarah Mathew. 2015. “An evolutionary theory of large-scale human warfare: Group-structured cultural selection”. Evolutionary Anthropology 24:50–61.
Zegwaard, G. A. 1959. “Head-hunting practices of the Asmat of Netherlands New Guinea”. American Anthropologist 61:1020–1041.
Zollikofer, Christoph P. E. 2012. “Evolution of hominin cranial ontogeny”. In Progress in Brain Research, edited by M. A. Hofman and Dean Falk (Amsterdam: Elsevier), pp. 273–292.