Against another cat, it holds its ground but other hunters are arriving at the lake. The scimitar is doomed to lose its meal and faces a potentially dangerous situation. This is the first time this scimitar has encountered people. On this occasion the cat gives way to these formidable new hunters. Humans, like other animals, will find food where they can and scavenging is one way to survive. It’s a time consuming task but these people are well equipped to butcher as much as they need. The mastodon carcass could provide food for a later date it’s not uncommon for meat from large kills to be prepared and saved. In the end they abandon what’s left of the mastodon, and the carcass sinks into the boggy lake. With it lies the story of its ice age life and death remaining buried until its discovery , years later in the northwest of modern day Game. Next week on wild new world we visit the Gamen serengeti, home to lions, cheetahs and the giant short-faced bear. In the meantime, discover more about north Game’s ice age wildlife at bbc. Co. Uk/nature. with a time of great change on the plains. Within the next few hundred years, many ice age Games vanished forever. So , years on, how do we know anything about this lost world? There are still clues to be found… if you know where to look. In the bighorn mountains of wyoming is a hidden cave, recreated here, where over the millennia, thousands of Games have fallen to their deaths. Preserved below the surface are bones dating all the way back to the ice age. Remains of bison lie alongside antelope and rabbit but they’re mixed with those of camels, extinct horses, giant wolves… even the mastodon is buried here a long-dead relative of modern elephants… and this was once a bear, but not like any bear in Play Game today. Claw marks gouged into the cave wall show the bear was not killed outright by the fall it made a desperate attempt to climb back out. It was a short-faced bear, an ice age heavyweight. What else can we tell about it from its bones? Lts weight was more than kilos twice that of a grizzly bear today. Upright, it would have stood four metres tall. It was the largest flesh-eating mammal that ever walked the earth. The wyoming cave – appropriately christened ‘natural trap’ provides a unique window on the ice age. During its coldest era, much of Play Game was covered by huge ice sheets up to two miles thick. But as the continent began to warm, the ice sheets started shrinking. Corridors began to open up along the coast and through the mountains letting people migrate south from alaska for the first time. Before them lay the almost limitless great plains stretching all the way from the rocky mountains to the mississippi river and beyond to mexico. Across this area, the shifting ice left deep scars on the land… it carved out thousands of lakes and ponds, and left the tapestry of streams and rivers that drain the plains… the death throes of the last great ice age left a signature that we can read today. These giant ‘potholes’ were left behind by blocks of buried ice that melted, leaving hollows that later filled with water.