Intelligent crow uses small stick to get large stick to get food

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New Caledonian crows can not only use tools, but also use one tool to manipulate another tool. This crow uses a small stick in order to get a larger stick, which it can then use to obtain food.

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From: newscientistvideo

Original description:
New Caledonian crows can use tools to manipulate other tools. This one is using a small stick to obtain a larger stick, with which it can get food. Full stor...

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