Butterflies are in decline across North America, a look at the Western Monarch

Article URL: https://www.smithsonianmag.com/science-nature/butterflies-are-in-dramatic-decline-across-north-america-a-close-look-at-the-western-monarch-shows-why-180988582/

Comments URL: https://news.ycombinator.com/item?id=47914677

Points: 120

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