Conflicts of Interest The authors declare no conflicts of interest. References 1974. “Observational Study of Behavior: Sampling Methods.” Behaviour 49, no. 3: 227–266. https://doi.org/10.1163/156853974x00534. 2016. “Comparative Thanatology.” Current Biology 26, no. 13: R553–R556. https://doi.org/10.1016/j.cub.2015.11.010. , , and . 2020. “The Behaviours of a Female Blonde Capuchin (Sapajus flavius) Towards her Dead Infant.” Behaviour 157, no. 14–15: 1231–1238. https://doi.org/10.1163/1568539X-bja10042.
