Earlier quoted context omitted.
It also suggests that up to >20 billion mammals are killed by those cats each year. Quick Google search says that there are fewer than 60 million domestic pet cats in the US, and about the same number of feral cats. So on average domestic cats kill up to >150 mammals a day? And since not all of them are allowed outdoors, those supposed killer outdoor cats would practically kill an animal every few seconds. Looking at…
> It also suggests that up to >20 billion mammals are killed by those cats each year. Quick Google search says that there are fewer than 60 million domestic pet cats in the US, and about the same number of feral cats. So on average domestic cats kill up to >150 mammals a day? Sorry, but I'm a bit confused by your maths. 20 billion mammals / 60 million cats = 333.33 animals per cat per year, or around 0.91 animals per…
It's still too high for pet cats (>1 mammal killed a week supposedly based on the average estimate and the same overestimation of 200 million cats, indoor included) but might make more sense if you consider that ferals have a disproportionate impact. I know people want an easy solution that absolves them from blame but it certainly doesn't seem to justify regurgitating this paper ad nauseam and demonizing people letting their pets outside. Overall I doubt that cats move the needle outside of urban areas with high feral cat populations that area already poor habitats for birds.