Monarch Butterflies
Monarch Migration Update: June 20, 2013
Please Report
Your Sightings!		 Report Your Sightings
The migration has advanced as far north as Saskatchewan and as far east as Maine, yet many people are still waiting for their first monarch.

This Week's Update Includes:

 Image of the Week
Monarch Butterfly in British ColumbiaA Rare Sighting
News: Still Waiting?
Tracking continues! Please report to the map when you see your first monarch egg, larvae and adult.

How Far They've Come
Use Google maps to estimate how far the migration has advanced from its origin in Mexico. For example:

  • The northernmost sighting in Battleford, SK is 2,800 miles from Angangueo, Mexico.
  • The northeasternmost in Old Town, ME means the migration has advanced 3,100 miles northeast.

Drought Diminishing
The Midwest's rainy spring may be good news for the monarchs. Traditionally, half of the monarchs that migrate to Mexico originate in the U.S. Corn Belt; last summer's drought and excessive heat in that region were sited as a cause of last winter's small monarch population. The animated map illustrates the improvement from August 2012 to June 2013. Keep an eye on the drought monitor during this summer's breeding season.
Monarch Butterfly in Iowa
Rare Sunshine
Lisa Pleggenkuhle Grummer
 

Animated Map: Drought Monitor
Drought Diminishing
The Migration: Maps and Journal
  • Please report your monarch and milkweed sightings.
Monarch butterfly migration map Map of milkweed emergence: Spring 2013 Journal Page
Journal
Monarchs
(map | animation | sightings)
 Milkweed
(map | animation | sightings)
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Next update June 27, 2013

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