Maybe they hibernated for a few thousand years or maybe the Inuvialuit hunters are like most men that even find Mayo in the fridge. Anyhow they are there maybe from playing leapfrog or Alaska Airlines and it gives reason for some more studies. It's nice to see wildlife in the wildlife areas so men get out your traps, here's a chance to make millions or even a hundred or two or a reality show on sleeping by your beavers at night.