Orangutans (Pongo abelii) "play the odds": information-seeking strategies in relation to cost, risk, and benefit

Journal of Comparative Psychology (2012) - Comment
pubmed: 22023265 doi: 10.1037/a0025906 issn: 1939-2087 issn: 0735-7036

Heidi L. Marsh, Suzanne E. MacDonald