Gagak kaledonia baru: Perbedaan antara revisi
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== Pranala luar ==
* [http://users.ox.ac.uk/~kgroup/ Oxford University crow research web site], including photos and movies
* [http://www.psych.auckland.ac.nz/uoa/home/about/our-research/research-groups/Cognition-and-culture-in-New-Caledonian-crows Auckland University crow web page]{{Pranala mati|date=Maret 2021 |bot=InternetArchiveBot |fix-attempted=yes }}, an introduction to their field-based research on crows' tool manufacture and use, including video footage of meta-tool use
* [http://news.nationalgeographic.com/news/2002/08/0808_020808_crow.html From National Geographic: A video of the New Caledonian Crow making a hook out of wire] (August 8, 2002)
* [http://www.livescience.com/animalworld/061031_crow_tools.html Tool use in crows is a combination of natural ability and schooling by other crows] – LiveScience.com (October 31, 2006)
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