Biogeography: baffled over bison.
Moore
Peter D
PD
D000818:Animals; D016164:Bison; D002980:Climate; D003247:Conservation of Natural Resources; D003670:Deer; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011157:Population Dynamics; D011235:Predatory Behavior; D014481:United States