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Monarch Butterfly Annual Cycle
Image
Annual Cycle
Monarch Population in Mexico
Article
Annual Population Results
annual population
Article
Annual Population Results: Dr. Karen Oberhauser Assessment
Eastern Monarch Butterfly Population
Article
Eastern Monarch News Archive
Monarch Butterflies at El Rosario Sanctuary in Mexico
Photo Gallery
El Rosario Sanctuary
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
annual cycle wheel
Infographic
Annual Life Cycle Wheel
pato moreno
Article
Archive Collection: Mr. Pato Moreno
Anna Moreno
Article
Archive Collection: Ms. Ana Moreno
Area Occupied in Mexico Winter Sites
Graph
Area Occupied in Mexico Winter Sites
Monarch Identification Infographic
Infographic
Can You ID?
State line Cerro Pelon Sanctuary
Article
Collaborative Cluster To Protect Monarchs [Spanish translation]
State line Cerro Pelon Sanctuary
Article
Collaborative Clusters To Protect Monarchs
forest degradation
Article
Degradacion Forestal en la Zona Nucleo de la Reserva de la Biosfera Mariposa a Monarcha (2019-2020). pdf
monarch
Article
Dia de los Muertos Approaches
Energy Cost of Flight
Article
Energy Cost of Flight
exploring together: wings over time
Infographic
Exploring Together: Wings Over Time
monarch
Image
Female Monarch Visiting A. subulata Milkweed
Western Monarch Butterfly Population
Article
Fifth Annual Western Monarch New Year’s Count Confirms Continued Decline in Western Monarch Population
The cremaster
Article
From Caterpillar to Chrysalis
Image of Monarch Butterfly Laying Eggs on Milkweed
Slideshow
How Do Monarchs Find Milkweed?
Monarch Butterfly Egg
Slideshow
How Does the Monarch Population Grow?
Monitoring Blitz Instructional Flyer
Article
International Monarch Monitoring Blitz Instructional Flyer
monarch
Image
Keeping a Lookout
monarch
Article
Keeping Track and Awaiting Arrival
milkweed
Infographic
Know Your Milkweed
male and female monarch id
Infographic
Male or Female?
monarch
Image
Many Flowers
monarch
Image
Many Fruits
Map: Monarch Butterfly Migration Pathway in Mexico
Map
Migration Pathway in Mexico
Monarch Arrival and Mexican Traditions
Slideshow
Monarch Arrival and Mexican Traditions
Basking monarch
Facts
Monarch Basking
Monarch Butterfly
Slideshow
Monarch Look Alikes
monarch
Image
Monarch on Palm Tree
Monarch Butterfly Colony in Mexico as seen from above
Teaching Suggestions
Monarch Population
monarch
Image
Monarch Visiting Willow Acacia Flowers
Monarch nectaring in Wisconsin.
Article
Monarchs and the Endangered Species Act
monarch
Infographic
Monitor Overwintering Monarchs Instructional Flyer
monarch
Image
Monitoring Arrival
Mystery: Chrysalids Under a Rock
Article
Mystery: Under a Rock
monarch
Image
Nature's Bounty
Nectar and Migration
Slideshow
Nectar and Migration
monarch
Image
One Lone Monarch in Aleppo Pine
Population Distribution by Sanctuary
Map
Population Distribution
Monarch Butterfly Colony Selection 2010-2019
Graph
Population: Compare Winters
press release
Article
Press Release: Less Monarch butterfly presence and increased degradation in its hibernation forests
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
monarch
Article
The Massive Arrival Is Simply Overwhelming!
monarch
Article
There They Come!
Report Your Monarch Observations
Slideshow
Track Migration - What to Report
monarch
Image
Tracking Arrival
Monarch Butterfly Migration Map: Two Fall Migration Flyways
Map
Two Fall Migration Flyways
monarch
Article
Western Monarchs 2019 Fall Report #10
monarch
Article
Western Monarchs 2019 Fall Report #11
monarch
Article
Western Monarchs 2019 Fall Report #9
Image of monarch butterfly caterpillars
Slideshow
What Do Monarch Larvae Do?
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.
Students with Monarch Butterflies
Photo Gallery
Who's Watching Monarchs?
Graph showing how many eggs one monarch butterfly can lay
Image
One Monarch, How Many Eggs?