Lauer, P.; Chapman, C. A.; Omeja, P.; Rothman, J. M.; Kalbitzer, U.: A long-term study on food choices and nutritional goals of a leaf-eating primate. Ecosphere 16 (1), e70162 (2025)
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.