Phuki smells quantity

A bull elephant, Phuki, participates in a magnitude discrimination experimental condition trial with two experimenters (co-authors R.D. and L.N.T.). After the elephant has an opportunity to investigate both buckets, the experimenters withdraw the table, unlock the buckets, and re-present the table so that Phuki can make a single choice. This video accompanies Plotnik et al. (2019). Elephants have a nose for quantity. PNAS: https://doi.org/10.1073/pnas.1818284116 See https://www.pnas.org/content/early/2019/05/28/1818284116 for study details!

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