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Um, habitat destruction anybody? The territorial range of house cats seems like it's going to be largely confined to a zone already rendered pretty much uninhabitable for native fauna by suburban development.
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?
ffm-
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
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Some of the native species of voles & shrews?
The slow worm where is still thrives is often predated by domestic cats.
Some of our larger native beetles and crickets/grasshoppers, were they to be present in greater densities would also be be hunted/killed.
gbj_tester
mespilus
Again, feral:
"Un-owned cats, as opposed to owned pets, cause the majority of this mortality. "
Also
"Anthropogenic threats, such as collisions with man-made structures, vehicles, poisoning and predation by domestic pets, combine to kill billions"
Um, habitat destruction anybody? The territorial range of house cats seems like it's going to be largely confined to a zone already rendered pretty much uninhabitable for native fauna by suburban development.