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Monarch Butterfly Annual Cycle
Image
Annual Cycle
Eastern Monarch Butterfly Population
Article
Eastern Monarch News Archive
Image of monarch butterflies roosting in a pine tree.
Slideshow
Magic of Monarch Migration
Image of monarch butterflies roosting in an oyamel tree in Mexico.
Slideshow
Measuring the Population in Mexico
Monarch Butterfly Range Map
Map
Migration and Range
Graph: Monarch Butterfly Winter Population Size
Graph
Monarch Butterfly Population
Image of monarch butterflies roosting in an oyamel tree in Mexico
Slideshow
Monarch Butterfly Sanctuary Tour
Monarch Butterfly Sanctuary Map
Map
Monarch Winter Sanctuaries
Monarchs, Mountains, and Moisture
Slideshow
Monarchs, Mountains, and Moisture
Stories from Mexico
Article
Stories from Mexico
Image of monarch butterflies roosting in Mexico
Slideshow
Surviving the Winter on Stored Energy
Temperature and Winter Survival
Slideshow
Temperature and Survival
The Monarch's Winter Habitat
Slideshow
The Monarch's Winter Habitat
Image of girl holding a monarch butterfly.
Article
True Tagging Stories
Western Monarch Butterfly Population
Article
Western Monarch News Archive
Image by Bruce Morrison
Slideshow
Why Overnight Roosts?
Conserving Monarchs
Article
Conserving Monarchs
How High Do Monarchs Fly?
Photo Gallery
How High Do Monarchs Fly?
Image of a tagged monarch butterfly
Photo Gallery
Tiny Tags, Big Discoveries
Too Cold to Fly?
Slideshow
Too Cold to Fly?
About Fall Monarch Migration Maps
Map
About Fall Maps
Monarch Butterfly by Elizabeth Howard
Article
Basking
Satellite image of Hurricane Katrina
Article
Hurricane Stories
Facts About Monarch Butterflies
Facts
Monarch Butterflies
Monarch Butterfly Nectaring on Spring Blossoms
Article
Nectar and Migration
The Overnight Roost
Article
Roosts: Scientific Findings
Citizen Science: Monarch Butterfly Migration
Slideshow
Citizen Science
How You Can Help Monarch Butterflies
Facts
Conservation: How You Can Help
Monarch Butterfly Wings
Photo Gallery
Monarch Wings Over Time
Image of a Monarch Butterfly in Flight
Article
Signs of Fall Migration
letters from the field
Article
Letters From The Field
Chart: Monarch Butterfly Life Cycle
Image
Life Cycle
Live Wind Map
Map
Live Wind Map
A Dozen Butterfly Eggs
Photo Gallery
A Dozen Butterfly Eggs
Are we talking about data?
Article
A Treasure Trove of Migratory Data
annual cycle wheel
Infographic
Annual Life Cycle Wheel
Dr. Ellen Sharp
Article
Archive Collection: Dr. Ellen Sharp
pato moreno
Article
Archive Collection: Mr. Pato Moreno
Anna Moreno
Article
Archive Collection: Ms. Ana Moreno
Esteal Romero
Article
Archive Collection: Ms. Estela Romero
New Jersey Audubon Cap May Bird Observatory sign
Article
Archive Collection: New Jersey Audubon Cape May Bird Observatory
Monarch Identification Infographic
Infographic
Can You ID?
Cape May Bird Observatory
Article
Catching the Wind: Observing Migratory Events
Energy Cost of Flight
Article
Energy Cost of Flight
exploring together: wings over time
Infographic
Exploring Together: Wings Over Time
The cremaster
Article
From Caterpillar to Chrysalis
hummingbirds talking
Article
From Observation to Insight: Publishing a Quarter-Century of Migration Data
Image of Monarch Butterfly Laying Eggs on Milkweed
Slideshow
How Do Monarchs Find Milkweed?
Monarch Butterfly Egg
Slideshow
How Does the Monarch Population Grow?
instructional flyer
Article
Instructional Flyer: Monarch & Milkweed Project
Monarch butterfly photo by Bruce Young
Article
Journey North Data In Action: Modeling for Land Use
milkweed
Infographic
Know Your Milkweed
male and female monarch id
Infographic
Male or Female?
map of vegetation in Mexico
Infographic
Mexico's Vegetation Regions
Map: Monarch Butterfly Migration Pathway in Mexico
Map
Migration Pathway in Mexico
Monarch Arrival and Mexican Traditions
Slideshow
Monarch Arrival and Mexican Traditions
Monarch Butterfly
Slideshow
Monarch Look-Alikes
Monarch Butterfly Colony in Mexico as seen from above
Teaching Suggestions
Monarch Population
Monarch nectaring in Wisconsin.
Article
Monarchs and the Endangered Species Act
Monitor overwintering monarch butterflies in the southeastern U.S.
Article
Monitor overwintering monarchs
Mystery: Chrysalids Under a Rock
Article
Mystery: Under a Rock
Nectar and Migration
Slideshow
Nectar and Migration
Population Distribution by Sanctuary
Map
Population Distribution
Monarch Butterfly Colony Selection 2010-2019
Graph
Population: Compare Winters
article
Journal
Protecting Mexico’s Monarch Butterfly Biosphere Reserve
Monarch Butterfly Egg by Jody Vernay
Slideshow
Spring Migration: A Journey Driven by Needs
Monarch butterflies in Mexico in flight
Slideshow
Spring Migration: A Race Against Time
La Comisión Estatal de Parques Naturales y de la Fauna (CEPANAF)
Slideshow
Taking Care of Cerro Pelon's Forest
Temperature and Winter Survival
Teaching Suggestions
Temperature and Winter Survival
Report Your Monarch Observations
Slideshow
Track Migration - What to Report
Monarch Butterfly Migration Map: Two Fall Migration Flyways
Map
Two Fall Migration Flyways
Image of monarch butterfly caterpillars
Slideshow
What Do Monarch Larvae Do?
Basking monarch
Facts
What is Monarch Basking?
monarch feeding on our ruby spice sweet pepper bushes Photo by: Sloan (Temple Hills, MD; 08/02/2020)
Article
What To Report: Monitoring Overwintering Monarchs In Southeastern U.S.
Graph showing how many eggs one monarch butterfly can lay
Image
One Monarch, How Many Eggs?