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In other news, Australia just finished building the world largest cat-proof fence:

http://www.bbc.co.uk/news/world-australia-44235185

Maybe that owl park could be fenced?

Maybe they could use an "invisible fence".[0] They're already capturing, neutering and chipping. So they could fit warning collars. But perhaps battery life is too short.

0) https://www.catological.com/best-invisible-fences-cats-revie...

yes, and Google can pay for that.

Nope. Australia is building a fence to keep the cats out and the cats are going to pay for it.

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