Here is the aforementioned water gun. Its range is 10 meters!
However, I was misinformed. This is an anti-cat defense weapon. The squirrels only eat the seeds (and pay the price for the food with entertaining acrobatic tricks), but cats eat the birds themselves. And the super-expensive ultrasound and laser pistol designed for driving cats away was useless, but this cheap toy is efficient.
To prove that squirrels are happy around Lis' garden, here is a frequent morning scene.
