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. What we see here, however, is both: Most of the mammals at this small end of the graph are nocturnal, and there is clearly a lack of overlap in body size for many species. Sources Laden, Greg. Myers, P.,
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