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. Tropical Forest Ecology: a view from Barro Colorado Island. In your back yard, if you have a feeder and exclude insects, birds may represent 100% of the animal biomass until either you our your cat walks outside. Myers, P.,
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