I just recently learned that Methyl anthranilate, the artificial grape flavoring, also repels birds and is used heavily by the agro industry nowadays. I imagine because of all the other products they also use they don’t need the birds around anymore.
You can also use old cd-roms tied to a long-ish string btw, the sparkling makes birds stay away.
I’m a farmer and in my country people use fireworks to scare sparrows away to this day, some even shoot them.
I just recently learned that Methyl anthranilate, the artificial grape flavoring, also repels birds and is used heavily by the agro industry nowadays. I imagine because of all the other products they also use they don’t need the birds around anymore.
You can also use old cd-roms tied to a long-ish string btw, the sparkling makes birds stay away.