Tool bending in New Caledonian crows
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‘Betty’ the New Caledonian crow astonished the world, when she ‘spontaneously’ bent straight pieces of garden wire into hooked foraging tools. Recent field experiments have revealed that tool bending is part of the species’ natural behavioural repertoire, providing important context for interpreting Betty’s iconic wire-bending feat. More generally, this discovery provides a compelling illustration of how natural history observations can inform lab-based research into the cognitive capacities of non-human animals.
Rutz , C , Sugasawa , S , van der Wal , J E M , Klump , B C & St Clair , J 2016 , ' Tool bending in New Caledonian crows ' Royal Society Open Science , vol 3 , no. 8 , 160439 . DOI: 10.1098/rsos.160439
Royal Society Open Science
Copyright 2016 The Authors. Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.
Funded through a BBSRC David Phillips Fellowship (BB/G023913/1 and /2 to C.R.), and three PhD studentships (JASSO to S.S.; University of St Andrews to J.v.d.W.; BBSRC and University of St Andrews to B.K.).
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