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File:Cognitive-Processes-Associated-with-Sequential-Tool-Use-in-New-Caledonian-Crows-pone.0006471.s003.ogv

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Cognitive-Processes-Associated-with-Sequential-Tool-Use-in-New-Caledonian-Crows-pone.0006471.s003.ogv ‎(file size: 1.94 MB, MIME type: application/ogg)

Summary

Description
English: This video shows Uék's fifth Tertiary-2 trial in Experiment 2, which was her 67th trial in total. Correct sequence of actions: use the longer of two tabletop tools (freely available in centre of arena) to retrieve the 20 cm tool from the tool-frame (left-hand tool-lane); then use this 20 cm tool to retrieve the 25 cm tool (third tool-lane from left); then use the 25 cm tool to retrieve the food. Observed behaviour: Uék picks up the longest tabletop tool and uses it to retrieve the 20 cm tool. She uses the 20 cm tool to probe for the 25 cm tool, initially from the top of the tool-frame but then from the front. Once she has retrieved the 25 cm tool she takes it immediately to the food-frame and retrieves the food.
Date
Source Video S3 from Wimpenny J, Weir A, Clayton L, Rutz C, Kacelnik A, Clayton N. "Cognitive Processes Associated with Sequential Tool Use in New Caledonian Crows". PLOS ONE. DOI:10.1371/journal.pone.0006471. PMID 19654861. PMC: 2714693.
Author Wimpenny J, Weir A, Clayton L, Rutz C, Kacelnik A, Clayton N
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PLOS
PLOS
This file was published in a Public Library of Science journal. Their website states that the content of all PLOS journals is published under the Creative Commons Attribution 4.0 license (or its previous version depending on the publication date), unless indicated otherwise.
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inception

5 August 2009

media type

application/ogg

checksum

0089e234cc42f900dff980f04eb0bed3c848dc48

determination method or standard: SHA-1

data size

2,037,407 byte

duration

106.20683917131208 second

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240 pixel

width

320 pixel

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