Fox-Rosales, L. A.; de Oliveira, T. G.: Interspecific patterns of small cats in an intraguild-killer free area of the threatened Caatinga drylands, Brazil. PLoS One 18 (4), e0284850 (2023)
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.