Monarch butterflies raised in captivity can still join the migration
Monarch Conservation Strategies
National Parks Pitch In to Help Save Monarch Butterflies (U.S. National Park Service)
Monarch Butterfly Conservation
Milkweed, native plants key to restoring monarch butterfly numbers - OrganicBiz
Is There Good News for Monarch Butterflies? Scientists Disagree
Minnesota group uses artificial intelligence to aid monarch butterflies, Butterflies
How monarch butterflies campaigns can threaten local biodiversity
Saving the Monarch Butterfly - Carol Stream Park District
California's Monarch Butterflies Are Down 99%. Can This Plant Help? - The New York Times
North American monarch population faces quasi-extinction