while Sannikov Land is a fiction, giving the mammoth remnants findings in the permafrost in Siberia and that the last mammoth died just 4000 years ago on an in

while Sannikov Land is a fiction, giving the mammoth remnants findings in the permafrost in Siberia and that the last mammoth died just 4000 years ago on an inland north of Eastern Siberia - the Wrangel Island - one can see how it could have been possible for some related legends/myths to be created long time ago and to survive/mutate into the modern time.