Instinctive reaction to snakes would be my guess
A throwback to the days before cucumbers were domesticated and were the natural enemy of cats.
Instinctive reaction to snakes would be my guess
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My grandfather has COPD and has to take IPPB treatments.
Every time he takes the setup out with its large dangling plastic tubes, one of our cats goes nuts and attacks it.
I suspect its the cat’s being hardwired to fear snakes-
and he thinks the tube is a snake. Lol