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. Those mammals consist of the previously mentioned fossorial members of Insectivora, Rodents, and bats. Accessed July 12, 2011 at [link] a. Sources Laden, Greg. Oxford University Press.
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