Chimp groups use different nut-cracking methods: stones and (different sizes of) woods. The tradition is maintained even though females moves to another group when puberty.

yuiami のブックマーク 2012/05/16 01:28

<blockquote class="hatena-bookmark-comment"><a class="comment-info" href="https://b.hatena.ne.jp/entry/94051882/comment/yuiami" data-user-id="yuiami" data-entry-url="https://b.hatena.ne.jp/entry/s/www.nytimes.com/2012/05/15/science/chimpanzees-table-manners-vary-by-group.html" data-original-href="https://www.nytimes.com/2012/05/15/science/chimpanzees-table-manners-vary-by-group.html" data-entry-favicon="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fwww.nytimes.com%2F2012%2F05%2F15%2Fscience%2Fchimpanzees-table-manners-vary-by-group.html" data-user-icon="/users/yuiami/profile.png">Chimpanzees’ Table Manners Vary by Group (Published 2012)</a><ul class="comment-tag" style="list-style: none; margin: 0px;"><li style="float: left">[<a href="https://b.hatena.ne.jp/q/EvoPsy">EvoPsy</a>]</li><li style="float: left">[<a href="https://b.hatena.ne.jp/q/HumanEvo">HumanEvo</a>]</li></ul><br><p style="clear: left">Chimp groups use different nut-cracking methods: stones and (different sizes of) woods. The tradition is maintained even though females moves to another group when puberty.</p><a class="datetime" href="https://b.hatena.ne.jp/yuiami/20120516#bookmark-94051882"><span class="datetime-body">2012/05/16 01:28</span></a></blockquote><script src="https://b.st-hatena.com/js/comment-widget.js" charset="utf-8" async></script>

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