Researchers identify monarch butterfly birthplaces to help conserve species
Tuesday, January 10, 2017 - 23:11
in Biology & Nature
Researchers have pinpointed the North American birthplaces of migratory monarch butterflies that overwinter in Mexico, vital information that will help conserve the dwindling species. The researchers analyzed 'chemical fingerprints' in the wings of butterflies collected as far back as the mid-1970s to learn where monarchs migrate within North America each autumn.