Netvouz / tietoukka / tag / migratory_butterflies http://netvouz.com/tietoukka/tag/migratory_butterflies?feed=rss tietoukka's bookmarks tagged "migratory_butterflies" on Netvouz [2013-02-21] Research shows that coldness triggers northward flight in migrating monarch butterflies http://www.eurekalert.org/pub_releases/2013-02/uomm-rst021913.php + http://www.cell.com/current-biology/abstract/S0960-9822%2813%2900087-0 + http://www.eurekalert.org/pub_releases/2013-02/cp-fmt021313.php Tietoukka Monitor > 2013 > 2013-08 tietoukka Sun, 24 Feb 2013 08:50:15 GMT