There is also the problem of the detrimental effect of a cat population on birds.
https://www.nature.com/articles/ncomms2380
We estimate that free-ranging domestic cats kill 1.3–4.0 billion birds and 6.3–22.3 billion mammals annually. Un-owned cats, as opposed to owned pets, cause the majority of this mortality.
To be clear, this was an indoor foster cat, formerly a stray.
There is also the problem of the detrimental effect of a cat population on birds.
https://www.nature.com/articles/ncomms2380
To be clear, this was an indoor foster cat, formerly a stray.