Other-regarding preferences in a non-human primate: common marmosets provision food altruistically.

@article{Burkart2007OtherregardingPI,
  title={Other-regarding preferences in a non-human primate: common marmosets provision food altruistically.},
  author={Judith M Burkart and E. Fehr and Charles Efferson and Carel P Van schaik},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2007},
  volume={104 50},
  pages={19762-6}
}
Human cooperation is unparalleled in the animal world and rests on an altruistic concern for the welfare of genetically unrelated strangers. The evolutionary roots of human altruism, however, remain poorly understood. Recent evidence suggests a discontinuity between humans and other primates because individual chimpanzees do not spontaneously provide food to other group members, indicating a lack of concern for their welfare. Here, we demonstrate that common marmoset monkeys (Callithrix jacchus… CONTINUE READING