471px-Monarch_Butterfly_Chrysalis

Successive generations metamorphose and disperse across their migratory range.  This chrysalis may contain a relatively short-lived adult or an adult that may live up to 8 months and migrate back to an overwintering site.  Photo by Amon, Wikimedia Commons

Successive generations metamorphose and disperse across their migratory range. This chrysalis may contain a relatively short-lived adult or an adult that may live up to 8 months and migrate back to an overwintering site. Photo by Amon, Wikimedia Commons

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