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An estimated 3.5 million cats spend time outdoors in Canada, representing 30-60% of the 9.3 million pet cats
Source: Avian Conservation and Ecology (2025)
Source
An updated estimate of the number of birds killed by outdoor cats in CanadaAvian Conservation and Ecology (2025)
Avian Conservation and Ecology. (2025). An updated estimate of the number of birds killed by outdoor cats in Canada. As cited in Cat Cognition. https://catcognition.com/statistics/wildlife-impact/#ca-outdoor-cat-population-2025
60 million
Outdoor cats kill an estimated 60 million birds per year in Canada, with a range of 19-197 million
Avian Conservation and Ecology (2025)
8.5 million
There are approximately 8.5 million pet cats in Canada
Canadian Animal Health Institute (2024)
8.9M cats vs 8.3M dogs
Canada has approximately 8.9 million cats compared to 8.3 million dogs
Canadian Animal Health Institute (2025)
2.4 billion
Cat predation is the single largest human-related cause of bird mortality in the US, killing an estimated 2.4 billion birds per year
Nature Communications (2024)
