Gavin R Hunt
Goodman M, Hayward T, Hunt G. Habitual tool use innovated by free-living New Zealand kea. Sci Rep. 2018;8:13935 pubmed publisher
..The innovation of tool use by kea in response to facilitation provides rare field support for the cognitive constraints hypothesis. ..
Hunt G, Rutledge R, Gray R. The right tool for the job: what strategies do wild New Caledonian crows use?. Anim Cogn. 2006;9:307-16 pubmed
..We argue that NC crows may generally use a two-stage heuristic strategy to solve tool problems and that performance on the first attempt in a trial is not necessarily the 'gold standard' for assessing folk physics...