How much bird is there, anyway?
10,000 Birds
JULY 21, 2011
A single large spider monkey, which might be out of view, equals a large number of lightly built and small birds which may be scattered across the landscape. The clifftop habitats along rocky shores of the North Atlantic (on both sides of the pond) abound in bird biomass during breeding bouts, for instance. Sources Laden, Greg.
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