TY - RPRT TI - Captive-bred Orangutans voluntarily choose to reward themselves with cabbage containing greater amounts of anthocyanin in a two-alternative decision task. AU - Mennie, N. R. AU - Symonds, R. AU - Mahadzir, M. PY - 2017 DO - 10.1101/099432 UR - https://www.biorxiv.org/content/10.1101/099432v1 ID - 10.1101/099432 ER -