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

Cognitive-Processes-Associated-with-Sequential-Tool-Use-in-New-Caledonian-Crows-pone.0006471.s003.ogv ‎(Ogg Theora video file, length 1 min 46 s, 320 × 240 pixels, 153 kbps, file size: 1.94 MB)

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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.
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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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Date/TimeThumbnailDimensionsUserComment
current21:51, 30 August 20121 min 46 s, 320 × 240 (1.94 MB)Open Access Media Importer Bot (talk | contribs)Uploaded with the Open Access Media Importer. (test edit) botrequest

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Format Bitrate Download Status Encode time
VP9 240P 67 kbps Completed 08:26, 22 August 2018 35 s
Streaming 240p (VP9) 67 kbps Completed 13:32, 6 December 2023 1.0 s
WebM 360P 81 kbps Completed 01:25, 30 November 2023 8.0 s
Streaming 144p (MJPEG) 808 kbps Completed 07:58, 2 November 2023 2.0 s

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