February 18, 2014 by Alessandra Bergamin
Monarch butterfly populations in California’s coastal overwintering sites showed a slight -- and surprising -- rebound in 2013 after more than a decade of dwindling numbers.
October 01, 2003 by Leah Messinger
To see slightly more diminutive returning migrants, head south on Sunday, October 12, for Welcome Back Monarchs Day at Natural ...
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