In article ,
"Worn Out Retread" wrote:

There are many cats in the area but they have proven to be next to useless
in bird control as they must be well fed and therefore not interested in
birds.

The hunting instinct in any self-respecting cat is separate from the
need to eat. I've had many domesticated cats, and many of them killed
almost daily. A cat who doesn't love to hunt needs psychiatric help.