Monarch Biology
All about Monarch biology: Anatomy, Sexing, Life Cycle, Sensory Systems, Predation, Parasite Control, Systematics, Seasonal Populations, Western Populations, Population Genetics, Theories in Evolution and Population Genetics.
http://www.monarchwatch.org/biology/index.htm
Monarch Butterfly
Information from the Xerces Society about Monarchs, including their spectacular migration, threats and what you can do to help.
http://www.xerces.org/monarchs/
Monarchs
A wealth of information from Journey North, including videos, interactive kids' activities and diagrams.
https://www.learner.org/jnorth/tm/monarch/jr/KidsJourneyNorth.html
All About Monarchs
A very useful tool for educators and students, providing an array of facts targeting the student as the researcher! There is also a fantastic children's book available, called Monarch Magic.
http://monarchbutterflyusa.com/
Monarch Health
This is a great citizen science project facilitated by the University of Georgia devoted to monarch health and parasites.
Books for the Classroom
A Field Guide to the Invertebrate Community in the Milkweed Patch, by Ba Rea, Karen Oberhauser and Michael A. Quinn.
http://shop.monarchwatch.org/Milkweed-Monarchs-and-More/138494
Learn about herbivores, nectivores and predators that call the Common Milkweed patch home, in Mary Holland's Milkweed Visitors.
http://shop.monarchwatch.org/product/Milkweed-Visitors/136719
In Learning From Monarchs: A Teacher's Handbook, Ba Rea introduces concepts and information to help teachers design their own Monarch lessons.
http://shop.monarchwatch.org/product/Learning-From-Monarchs/138496
Another great book by Ba Rea, Monarch! Come Play with Me, was written and designed for children between the ages of 3 and 9. The text, written for early second grade readers, revolves around the similarities and differences between the development of monarchs and the development of children.
*There is also a Spanish version of this book available!
http://basrelief.org/Pages/MCP.html