“…This framework increases the fission–fusion dynamics of chimpanzees, that is, their social agency and their cognitive agency (Matsuzawa, 2020). Other labs provide similar voluntary participation testing stations associated with group-living, such as the Goffin laboratory in Vienna with cockatoos ( Cacatua goffini ; O'Hara et al, 2021) or the Living Links station with nonhuman primates at Edinburgh zoo (Jordan et al, 2022). This principle is not restricted to vertebrates, as ants, for instance, showed their abilities to escape their captive nest when it was not well designed, thanks to behaviors as rafting, bridging, jumping, or even using tool (Dussutour & Wystrach, 2022).…”