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In fairly central London you can see all sorts of...native fauna
In fairly central London, there are a metric fuck ton of domestic cats. If you're seeing all that fauna, it's obviously doing fine in spite of the alleged feline threat. I don't hold a particular brief for either felis catus or passer domesticus (all but gone from his Cockney home), but if you want to blame the former for the demise of the latter, you should offer some evidence. The evidence that domestic cats are a population level threat to UK mainland wild fauna seems to me to be weak to non-existent.
https://www.youtube.com/watch?v=MABaMp8Xqb0
gbj_tester-
I'm not saying that cats are a population level threat, but your earlier comment sounds like you're claiming that suburbia is so bereft of wildlife ("uninhabitable") that there's nothing there that a cat could possibly kill anyway. That's really not true, especially when you consider all the parks, cemeteries, railway embankments and other assorted little wildlife havens that you can find in towns and cities.
(I'm still baffled at how non-house cat ownership is legal)
ffm
Really? In fairly central London you can see all sorts of songbirds, foxes, hedgehogs, frogs, snakes, bats etc. What native fauna that a cat could prey on is excluded from that area? Deer? Wild boar?