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The monarch butterfly population in their winter home is down 75 percent.

Seventy. Five. Percent.

Date: 2005-04-19 06:29 pm (UTC)
From: [identity profile] jfb.livejournal.com
Um, I don't know, but it's compared to the average, and I assume they use a consistent methodology.

Sounds like the problem is two-pronged--pesticides eliminate their food source in the north, and logging eliminates their shelter in the south.

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