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Science@lemmy.mlEnglish · 2 年前

These crows have counting skills previously only seen in people

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These crows have counting skills previously only seen in people

☆ Yσɠƚԋσʂ ☆@lemmy.ml to

Science@lemmy.mlEnglish · 2 年前

1

The corvids are the first animals other than humans known to produce a deliberate number of calls on command.

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