Are there so many birds that cats don’t matter?
10,000 Birds
OCTOBER 16, 2012
In short, the answer is that in the United States there are 20 billion birds at the end of the breeding and fledging season, which gets winnowed down to 10 billion by the following early spring. Other felids are all much larger, the similar sized carnivores are things like minks and ferrets, and they have very different habits.
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