Every year, millions of monarchs fly up to 3,000 miles from Canada to Mexico to spend the winter roosting in fir trees high up in the mountains. UNESCO has declared this phenomenon part of the patrimony of humanity. But the monarchs’ winter home is at risk: poverty pushes people into illegal logging of the butterfly forest. The monarchs need thick forest cover to protect them. The overwintering monarch population has already decreased by 90% over the last 20 years, making effective forest protection on the Monarch Butterfly Biosphere Reserve more crucial than ever.
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