Monarch Butterfly Birth Zones (image) University of Guelph Share Print E-Mail Caption University of Guelph researchers have led a study that pinpointed where monarch butterflies were born in North America. Credit Prof. Ryan Norris / University of Guelph Usage Restrictions Only for use with stories relating to this study. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.