By A Mystery Man Writer
Monarch butterfly - Wikipedia
Why the monarch butterfly migration may be endangered
Native American tribes pledge to save the monarch butterfly
Community Scientists Can Help Support Imperiled Western Monarchs
Monarch Butterfly - Spotlight
Monarch butterfly may join endangered species list in 2015
Migration • Monarch Joint Venture
Monarch Butterfly Migration Journey North Citizen Science
Do monarch butterflies migrate to warm climates during winter? - Quora
Migrating monarchs across our Great Lakes coastlines - MSU Extension
13 Facts About Monarch Butterflies in North America
Frontenac News - Plight of the monarch butterflies
Five Super Stops on the Monarch Migration Trail
Monarch Butterflies Facing Battle Royal For Survival
Monarch Danaus plexippus