Tuesday, March 8, 2016

Monarch Butterflies Make Comeback

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Monarch Butterfly with Chrysalis Beside It
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Monarch butterflies have made a big comeback in their wintering grounds in Mexico, after suffering serious declines.  The area covered by the orange-and-black insects in the mountains west of Mexico City this season was more than three and a half times greater than last winter. The butterflies clump so densely in the pine and fir forests they are counted by the area they cover rather than by individual insects.

The number of monarchs making the 3,400-mile (5,500-kilometer) migration from the United States and Canada declined steadily in recent years before recovering in 2014. This December, the butterflies covered 10 acres (about 4 hectares), compared to 2.8 acres (1.13 hectares) in 2014.

While that's positive, the monarchs still face problems: The butterflies covered as much as 44 acres (18 hectares) 20 years ago. "The news is good, but at the same time we shouldn't let our guard down," said Omar Vidal, director of the World Wildlife Fund in Mexico. "Now more than ever, Mexico, the United States, and Canada should increase their conservation efforts to protect and restore the habitat of this butterfly along its migratory route."  Read the entire article.



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