Life Cycle

• Monarch Life Cycle Photos
• Monarch Life Cycle Circle Book
• Video Clip: How Does the Monarch Get Out of the Egg?
• A Day in the Life of a Butterfly Egg
• How Many Eggs Can One Monarch Butterfly Lay?
• From Egg to Butterfly: How Does a Population Grow?
• Speaking of Eggs: A Conversation With Dr. Lincoln Brower
• A Look at the Life of a Monarch Caterpillar
• Two Thousand Times Heavier in Two Weeks
• What is an "Instar"? The Five Stages of Caterpillar Growth
• Caterpillar Quiz
• Video Clip: Caterpillar Feast
• Amazing Adaptations: How Do Larvae's Legs Help Them Survive?
• Video Clip: Larva Locomotion
• Mystery Monarch Photos: Exploring Form and Function
• Into the Chrysalis!
• Video Clip: Why Does the Chrysalis Twist and Turn as it Forms?
• Audio Clip: Inside the Chrysalis
• How Does the Monarch Get Out of the Chrysalis?
• New Monarchs Replace the Old: The Journey North Continues
• Video Clip: A Butterfly is Born
• A Bird Hatches and a Butterfly Ecloses: What’s the Difference?
• Monarch Life Cycle: What is a Generation?

Food

• Video Clip: Feeding a Butterfly in Dr. Fink's Kitchen
• Can a Milkweed Plant Grow Fast Enough?

Adaptations

• Slideshow:How Do Monarchs Find Milkweed?
• Slideshow:Butterfly Wings: What Can You Learn by Looking Closely?
• Slideshow: Amazing Adaptations: How Do Larvae's Legs Help Them Survive?
• Slideshow: Mystery Monarch Photos: Exploring Form and Function
• What is the Caterpillar Doing...and Why?
• How Did the Monarch Escape from the Lizard?
• Video Clip: Flapping Flight: A Look at Monarch Flight in Slow Motion
• Monarchs are Cold-blooded Creatures: The Basics
• How Might Male and Female Monarch Behavior be Different?
• Insect Reproduction Strategy

Ecology

• Photo Gallery: Who's Who in the Milkweed Patch?
• Slideshow: Let's Find Monarchs! Clues in the Milkweed Patch
• Milkweed, Monarchs and More: Field Guide to the Milkweed Patch
• Video Clip: Herbivores and Plants: A Co-evolutionary Arms Race
• Life is Sweet: Nectar as Reward for Pollination
• How Many Monarchs Are There? ("Population Dynamics")
• Predators and Parasites on the Prowl: Tachinid Fly Life Cycle
• The Historic Importance of the Prairie Ecosystem to Monarchs
• Monarch Butterfly Ecology Drs. Karen Oberhauser and Michelle Solensky

More

• Cultivating Keen Observers: Teaching With Journey North Photos
• Guest Author Reads: Caterpillar Dreaming Butterfly
• How Long Have These Butterflies Been Alive?
• Expecting Monarchs in Arkansas
• When Will the First Spring Generation Emerge?

Life Cycle

Annual Cycle

Annual Cycle