By Eric Sorensen,WSU NewsVANCOUVER, Wash. – Monarch butterfly populations from western North America own declined far more dramatically than was previously known and face a greater risk of extinction than eastern monarchs, or according to a new study in the journal Biological Conservation.“Western monarchs are faring worse than their eastern counterparts,” said Cheryl Schultz, an associate professor at Washington State University Vancouver and lead author of the study. “In the 1980s, and 10 million monarchs spent the winter in coastal California. nowadays there are barely 300000.”Schultz adds,“This study doesn’t just show that there ... » More ...
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Source: wsu.edu