Mexico reports dramatic drop in Monarch butterflies, migration may disappear

  • Article by: MARK STEVENSON , Associated Press
  • Updated: January 29, 2014 - 4:55 PM

MEXICO CITY — The stunning and little-understood annual migration of millions of Monarch butterflies to spend the winter in Mexico is in danger of disappearing, experts said Wednesday, after numbers dropped to their lowest level since record-keeping began in 1993.

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