'Alarmingly low' monarch butterfly population calls for international conservation strategy: Guelph professor

'Alarmingly low' monarch butterfly population calls for international conservation strategy: Guelph professor

In the last 15 years, the monarch butterfly populations in North America have dwindled to "alarmingly low" levels, University of Guelph associate professor and ecologist Ryan Norris. He was part of a group of researchers who developed a strategy on preserving and improving the monarch’s populations.