Clocks, cryptochromes and Monarch migrations
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Journal of Biology 2009, 8:55 doi:10.1186/jbiol153Published: 18 June 2009
The annual migration of the Monarch butterfly (Danaus plexippus) from eastern North America to central Mexico is one of nature's most inspiring spectacles. Recent studies including one in BMC Biology, have begun to dissect the molecular and neurogenetic basis for this most complex behavior.