Tool use by non-humans - Wikipedia

This article is about animals. For tool use by robots, see Industrial robot. A crab-eating macaque using a stone Tool use by non-humans is a phenomenon in which a non-human animal uses any kind of tool in order to achieve a goal such as acquiring food and water, grooming, combat, defence, communication, recreation or construction. Originally thought to be a skill possessed only by humans, some too

[agrisearch]

動物による道具使用。

[barringtonia]

相当曖昧な概念っぽい。一般的な定義では、巣材を用いた巣の形成は全て道具使用に該当するとのこと。この定義だと可能性としては原生動物とかでもありえそうだけどどうなんだろう？