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Flexibility in Problem Solving and Tool Use of Kea and New Caledonian Crows in a Multi Access Box Paradigm
- Alice M. I. Auersperg,
- Auguste M. P. von Bayern,
- Gyula K. Gajdon,
- Ludwig Huber,
- Alex Kacelnik
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- Published: June 8, 2011
- https://doi.org/10.1371/journal.pone.0020231