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Cat predation is the single largest human-related cause of bird mortality in the US, killing an estimated 2.4 billion birds per year
Source: Nature Communications (2024)
Source
Loss et al. The impact of free-ranging domestic cats on wildlife of the United States. Nature Communications 2013Nature Communications (2024)
Nature Communications. (2024). Loss et al. The impact of free-ranging domestic cats on wildlife of the United States. Nature Communications 2013. As cited in Cat Cognition. https://catcognition.com/statistics/wildlife-impact/#us-fws-cats-birds-annual
1.3-4.0 billion
Free-ranging domestic cats kill an estimated 1.3-4.0 billion birds annually in the United States
Nature Communications (2013)
2.9 billion
North America has lost approximately 2.9 billion breeding birds—a 29% decline—since 1970, according to a landmark study led by the Cornell Lab of Ornithology
Cornell Lab of Ornithology / Science (2019)
6.3-22.3 billion
Free-ranging domestic cats kill an estimated 6.3-22.3 billion mammals annually in the United States
Nature Communications (2013)
365M-1B
Building window collisions kill an estimated 365-988 million birds annually in the US, with some estimates exceeding 1 billion
The Condor / American Bird Conservancy (2024)
