Are there so many birds that cats don’t matter?
10,000 Birds
OCTOBER 16, 2012
Which brings us to the present post, in which we ask “How many birds are there?” For the present, we’ll keep the conversation in the United States; variation from region to region in bird die off may be great and meaningfully complex. Many foraged in the city as well (and yes, maybe about 5% of the ledge was used by other species).
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