Monarch Butterfly
A butterfly that couldn't fly – crystallofolia
Monarch Butterfly Lifespan: How Long Do Monarch Butterflies Live? - A-Z Animals
Queen Danaus gilippus (Cramer, 1776) Butterflies and Moths of North America
Why You Should Never Plant a Butterfly Bush Again - Natural Lands
These Butterflies Evolved to Eat Poison. How Could That Have Happened? - The New York Times
Monarch Butterflies - Fire Island National Seashore (U.S. National Park Service)
The Lion and the Lamb: Roses and Monarch Caterpillars
Transformations: Which Caterpillar Becomes…, Summer 2010, Articles