Jacobson, O. T.; Crofoot, M. C.; Perry, S.; Hench, K.; Barrett, B. J.; Finerty, G. E.: The importance of representative sampling for home range estimation in field primatology. International Journal of Primatology 45, pp. 213 - 245 (2024)
Scientists studying a rare population of tool-using chimpanzees have found that aging can have a profound impact on their abilities—but not all chimps decline equally.