Plus: “Poptart” the humpback whale spotted with newborn calf, world-record poison ivy found in Ontario, wing spots give monarch butterflies migration boost, and the ups-and-downs of mountain chickadee breeding

Whether you’re monitoring monarchs or searching for snakes, these mobile apps will allow you to become a scientist right from your backyard

André-Philippe Drapeau Picard of Mission Monarch discusses the threats facing monarchs and how Canadians can help

In 1976, my husband’s grandparents solved one of the world’s great natural mysteries: the monarch butterfly migration. Four decades later, we retraced their journey. 

New data could help coordinate conservation efforts across three countries