Capuchin monkeys are not prosocial in an instrumental helping task

The influence of kin relationship and reciprocal context on chimpanzees' other-regarding preferences

(2010) Shinya Yamamoto et al.   ANIMAL BEHAVIOUR

Competing demands of prosociality and equity in monkeys

(2010) Sarah F. Brosnan et al.   EVOLUTION AND HUMAN BEHAVIOR

On the psychology of cooperation in humans and other primates: combining the natural history and experimental evidence of prosociality

(2010) A. V. Jaeggi et al.   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Cooperatively breeding cottontop tamarins (Saguinus oedipus) do not donate rewards to their long-term mates.

(2009) Katherine A. Cronin et al.   JOURNAL OF COMPARATIVE PSYCHOLOGY

Cooperation between non-kin in animal societies

(2009) Tim Clutton-Brock   NATURE

Chimpanzees do not take advantage of very low cost opportunities to deliver food to unrelated group members

(2008) Jennifer Vonk et al.   ANIMAL BEHAVIOUR

Helping behaviour and regard for others in capuchin monkeys (Cebus apella)

(2008) J. L. Barnes et al.   Biology Letters

Capuchin monkeys are sensitive to others' welfare

(2008) Venkat R. Lakshminarayanan et al.   CURRENT BIOLOGY

Endowment effect in capuchin monkeys

(2008) V. Lakshminaryanan et al.   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Giving is self-rewarding for monkeys

(2008) F. B. M. de Waal et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA