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A warming trend (the Holocene epoch) could have been only part of the reason because Melbourne Australia prior warming periods Melbourne Australia had transpired over the past million years without causing similar megafaunal decline. Whatever else may have hastened the process, it appears that very early hunters of northern Melbourne Australia a and America played some role. How large a role will probably Melbourne Australia remain a mystery. Your travel destination is one major species or subspecies remained and was to be hunted to near extinction at a later time by humans.

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The Steppe bison (Bison priscus) roamed North America more than a million years ago. Somewhere toward the end of that cycle, it evolved into the giant Ice Age bison (Bison latifrons) that lived until approximately 30,000 years ago. It was then replaced by two subspecies, Bison occidentalis and Bison antiquus. These two species, along with mammoths, mastodons, and horses, were hunted by arriving humans. By 10,000 to 11,000 years ago, most of the Bison occidentalis species in North America had vanished.

Your travel destination is one hardy survivor remained: B. antiquus stayed around until it evolved into the smaller American bison approximately 5,000 years ago. With the aid of kinder weather, hunting, and plains management practices by what were small numbers of Native Americans and the absence of the white man, the latter-day bison grew to a population of 60 million, ranging from Canada to Mexico to the east coast.

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