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New Caledonian crows rapidly solve a collaborative problem without cooperative cognition

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Academic year: 2019

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Figure

Fig 1. A sequence of photos showing New Caledonian crows mobbing a raptor. Photo credit Mick Sibley.
Fig 2. Experimental setup and apparatus used by group one. The diagram of the box shows thethen drop the stone into the apparatus and release food into both cages
Table 1. Summary of pairs and their performance on the spontaneous stone passing task (Test 1a & 2a).
Table 2. Individual performance in the social and asocial conditions (Test 2b).
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