"... collisions with skyscrapers and windmills and other so-called anthropogenic causes."
Domestic cats — pet and feral — "kill a median of 2.4 billion birds and 12.3 billion mammals a year" in the United States — "most of them native mammals like shrews, chipmunks and voles rather than introduced pests like the Norway rat."
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Domestic cats — pet and feral — "kill a median of 2.4 billion birds and 12.3 billion mammals a year" in the United States — "most of them native mammals like shrews, chipmunks and voles rather than introduced pests like the Norway rat."
