If you were transported 68,000, 13,000 or 800 years to the past, which mega monster would you most like to encounter? Vote for your favorite among the megafauna.
Giant Ripper Lizard Megalania When It Roamed: 68,000 years ago Home Range: Australia Mega Factoid: 900 pounds, 20 feet long, largest reptile to walk the earth.
World's Largest Marsupial Diprotodon When It Roamed: 68,000 years ago Home Range: Australia Mega Factoid: 5,000 pounds, about the weight of a loaded minivan.
Demon Duck of Doom Genyornis When It Roamed: 68,000 years ago Home Range: Australia Mega Factoid: 7 feet tall, over 500 pounds, with legs that could kill a man with a single kick.
Woolly Mammoth Mammuthus primigenius When It Roamed: 13,000 years ago Home Range: Eurasia, The Americas Mega Factoid: 12,000 pounds, about the weight of a motor home, with 8-foot-long tusks.
Saber-Tooth Cat Smilodon fatalis When It Roamed: 13,000 years ago Home Range: The Americas Mega Factoid: 7-inch-long canines, as big as Tyrannosaurus rex teeth.
Giant Ground Sloth Eremotherium rusconii When It Roamed: 13,000 years ago Home Range: The Americas Mega Factoid: 20 feet long, weighing 3 tons, with 12-inch claws.
The Moa Dinornis giganteus When It Roamed: 800 years ago Home Range: New Zealand Mega Factoid: 12 feet tall at its full height, weighing as much as two full-grown men or 1¼ Sheriff Matt's.
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