How much bird is there, anyway?
10,000 Birds
JULY 21, 2011
Amphibian’s and Reptiles: 3.4 Comparing mammals, birds, and reptiles, for instance, what is the distribution and range of sizes? To remedy this, I visited the Animal Diversity Web site at the University of Michigan. The data here are from the site of Manaus: All animals: 200 Mammals: 8.4
175 
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