After 800 miles of biking in Mexico (and 200 more to go), Sara wonders why the monarchs choose a place so far away to overwinter. Learn just why the monarchs can survive the winter in the Oyamel Fir forest of central Mexico.
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After 800 miles of biking in Mexico (and 200 more to go), Sara wonders why the monarchs choose a place so far away to overwinter. Learn just why the monarchs can survive the winter in the Oyamel Fir forest of central Mexico.