The Mustard White Butterfly (IMAGE) McGill University Caption Researchers calculate that more than 80 % of the species currently found in provincial and national parks in Quebec may have been replaced by others within 50-80 years as the climate changes. Credit Jacques Larivée Usage Restrictions None License Licensed content 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.