How many birds are killed by windmills and other green energy projects?
10,000 Birds
SEPTEMBER 16, 2014
How many birds to cats kill in the United States? A recent meta study ( The impact of free-ranging domestic cats on wildlife of the United States ) that applied strict inclusion criteria and some fancy statistics estimates that 2.4 billion birds, plus or minus more than a billion, are killed by cats every year in the US.
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