Ridiculously impressive, but to be honest, not surprising actually. As a member of the Corvid family, they are among the smartest birds. They are known to fashion tools and solve complex problems and are probably even smarter than we know.
They are known to exchange "trinkets" for food and kindness, monetary exchange isn't that far of a leap. Kind of an odd thing to say, that. That monetary exchange isn't a big leap for a bird species.
They are known to exchange "trinkets" for food and kindness, monetary exchange isn't that far of a leap. Kind of an odd thing to say, that. That monetary exchange isn't a big leap for a bird species.
Calm down Sam Jackson and let THAT sink in.