Monarch Migration Plunges to Lowest Level in Decades – NYTimes.com

14 Mar

The number of monarch butterflies that completed an annual migration to their winter home in a Mexican forest sank this year to its lowest level in at least two decades, due mostly to extreme weather and changed farming practices in North America, the Mexican government and a conservation alliance reported on Wednesday.

via Monarch Migration Plunges to Lowest Level in Decades – NYTimes.com.

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