Sex ratio of bison at la brea
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Description:While the forage-selection hypothesis also assumes that females are less efficient at digesting forage, this hypothesis predicts group formation based on dietary preferences as opposed to activity budget. Although a number of subspecies of jaguar have traditionally been proposed, most often eight  ,  , but occasionally even twice as many  , recent studies of morphological and molecular diversity have failed to find convincing evidence for subspecies division  , . Clinical Parelaphostrongylus tenuis infection in two captive American bison Bison bison ,. Walker's Mammals of the World. The bison has survived. Paleobiology also publishes short book essays in its Book Review section.