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The Dog Who Knew 200 Words
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Animal OdditiesMay 16, 2026

The Dog Who Knew 200 Words

The Dog Who Knew 200 Words Rico was a German border collie. Scientists tested him in 2004. He knew 200 toy names. Hidden room. Spoken command. He fetched the correct one. New word? He grabbed the new toy. A skill once thought human-only.

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