How much bird is there, anyway?
10,000 Birds
JULY 21, 2011
But if you look at a bit of prairie in South Dakota during the dead of winter, you may see very few birds and a lot of bison. Accessed July 12, 2011 at [link] a. 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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