6ABC: Light pollution can interfere with monarch migration
UC's butterfly research attracts national media attention
ABC6 in Philadelphia highlighted biology research at the University of Cincinnati that found light pollution can affect the uncanny navigational ability of monarch butterflies.
UC College of Arts and Sciences assistant professor Patrick Guerra, former UC postdoctoral researcher Adam Parlin, now at SUNY-ESF, and UC graduate Samuel Stratton conducted experiments that showed how nighttime light pollution can throw off the butterfly's internal compass. Prolonged exposure to artificial light at night makes the butterflies think it's earlier or later in the day, which interferes with their ability to navigate accurately using the sun.
The study was published in the journal iScience.
Parlin, the study's lead author, said nighttime light pollution can affect people and wildlife in surprising ways.
“Nighttime light pollution has been on the radar for some time, but it is a big environmental problem,” he said.
For its Big Talkers segment, 6ABC in Philadelphia shared UC's research. Monarchs migrate by the thousands through Pennsylvania and New Jersey during their fall migration to Mexico.
“It's an incredible sight, for those who have seen it, as these little insects that weigh less than a paperclip navigate the wind and the (Delaware Bay) to travel 100 miles per day using just their internal GPS,” ABC6 reported.
Featured image at top: A monarch butterfly. Photo/Michael Miller
UC biology research in the news
- Natursidan (Sweden): Migration of monarch butterflies is disrupted by light pollution.
- India Times: Light pollution confuses monarch butterflies
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