Gatt, M. C.; Quetting, M.; Cheng, Y.; Wikelski, M.: Dynamic body acceleration increases by 20% during flight ontogeny of greylag geese Anser anser. Journal of Avian Biology 51 (2), e02235 (2020)
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.