How much bird is there, anyway?
10,000 Birds
JULY 21, 2011
Here’s some data from the famous research project of Manu, Peru, giving biomass in kilograms per hectare. 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. Oxford University Press. Amphibian’s and Reptiles: 3.4
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