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Monarch butterflies decline at wintering grounds in Mexico, Texas drought adds to stress to migration http://apocadocs.com/s.pl?1321037394
A study published online last spring in Insect Conservation and Diversity shows a decrease in Mexico's overwintering monarch butterflies between 1994 and 2011. The butterflies face loss of wintering habitat in Mexico and breeding habitat in the United States. Extreme weather, like winter storms in Mexico and the ongoing drought in Texas, adds yet another challenge....
This fall, monarchs are navigating a drought-stricken landscape as the migration funnels through Texas. According to Brower, it will be "stress, stress, stress" as the butterflies search for nectar sources in the parched region....
Toone warns that monarch aficionados should not rest easy: "I know from my 23 years of experience going to Mexico, you don't have to be a scientist to be able to tell that the number of butterflies has just been in a horrific decline in those overwintering areas."
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[Read more stories about:
migration changes, drought]
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