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Birds are smarter than humans because they understood there is value in a shiny metal.
by rvnx 5y ago
Birds are smarter than humans because they understood there is value in a shiny metal.
- tokai 5y ago#notallbirbs https://link.springer.com/article/10.1007%252Fs10071-014-0794-4 https://link.springer.com/article/10.1007%252Fs10071-014-079...