To the bitter end: primates can also fall into the sunken cost fallacy
Giving up is how you win, sometimes.
Tag: capuchin
Dogs and capuchins judge you as ‘good’ or ‘bad’, hint at the birth of human morality
Something as simple as opening a jar goes a long way with anyone. Even other species.
Monkeys in Brazil make stone flakes, which means some of those ancient tools might falsely be attributed to hominids
The monkeys cut the stones for a whole different reason, though. Ok, maybe they're not that smart.