TIL that domestic cats kill 1.3 - 4.0 billion birds and 6.3 - 22.3 billion mammals annually in the United States. For the people who say letting their cats outside doesnt matter User plantman01, in the Snakes subreddit, 29 Nov 2023
TIL that domestic cats kill 1.3 - 4.0 billion birds and 6.3 - 22.3 billion mammals annually in the United States. User AnalogNightsFM, in the Today I Learned (TIL) subreddit, 28 Nov 2023
The impact of free-ranging domestic cats on wildlife of the United States User EcoInternetNewsfeed, in the EcoInternet Climate Change and Environment News subreddit, 11 May 2019
TIL it is estimated that free-ranging domestic cats kill 1.3 billion birds per year and 6.3–22.3 billion mammals annually. They are likely the single greatest source of anthropogenic mortality for US birds and mammals. User Scaulbylausis, in the Today I Learned (TIL) subreddit, 07 Nov 2017