Are there so many birds that cats don’t matter?
10,000 Birds
OCTOBER 16, 2012
which was a comparative look at apparent, visible, often in your face biomass we observe when we as diurnal primates look around us. Which brings us to the present post, in which we ask “How many birds are there?” Many foraged in the city as well (and yes, maybe about 5% of the ledge was used by other species).
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