It is recommended application for a crow and the person who want to talk!
A crow caws if you push the button.
Please tell a crow it.
It is application to try what kind of reaction there is.
Conversation with crow, may be possible.
Crows are very smart, it is said that they can communicate such as conversation by cawing and learn the person's face.
As for giving a gift in return to thanks if You put up bait.
It is recommended application for a crow and the person who want to talk!