Summary #770

Clever crows

news.harvard.edu
  • Cleverly designed experiment on 15 Caledonian crows shows that animals can enjoy using tools to solve tasks.
  • Series of tests have shown that crows are more optimistic after tool use.
  • It suggests that there’s much more going on in their heads than we thought, and they can enjoy problem-solving just like humans do.
  • Study author hopes these findings will be used to improve the enclosures of captive animals by adding complex, species-specific enrichment.

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