Study reveals how monarch butterflies recolonize northern breeding range
Monday, March 19, 2012 - 10:31
in Paleontology & Archaeology
Each year, millions of monarch butterflies (Danaus plexippus) migrate from overwintering grounds in central Mexico to colonize eastern North America, but just how these delicate creatures manage to reach the northern part of their breeding range in spring has largely remained a mystery.
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