Sure, they are in zoos all over the world. That is a different environment.
They might not have been able to adapt.
Specific skills to survive in such a cold and harsh environment.
they moved from place to place according to the weather
they needed a man or a woman ruler and another thing is that they needed to live somewhere where there was alot of water so they could drink it and survive so when they moved
The glaciers moved extremely slow, so any animals in their path could have just moved over
a movable object that could be moved by another source safely.
The animal would quickly adapt to the new environment.
Because Muskoxen can survive in the Arctic regions of Canada, Greenland and Alaska and providing there is grass, herbs and lichens to eat, maybe the Yak could survive
erosion is harmful because it drags sediment from one place to another causing the area that the sediment was moved from to disapear
It could be as soon as they moved out, or as soon as they moved into another residence.
They moved to Indian Territory.
Moved from own familiar environment to an unkown and unexpected environment