Norse Greenlanders may have chased dwindling walrus herds ever farther north in an effort to maintain their economy, when the value of walrus ivory tanked after the introduction of elephant tusks into European markets in the 1200s.
Norse Greenlanders may have chased dwindling walrus herds ever farther north in an effort to maintain their economy, when the value of walrus ivory tanked after the introduction of elephant tusks into European markets in the 1200s.