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Monarch Migration News: October 30, 2014
By Elizabeth Howard
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The first monarchs are expected to reach their winter home any day! Traditionally they arrival by November 1st, Mexico's Day of the Dead. "The arrival of the monarchs symbolizes our ancestors' souls returning to Earth for their annual visit," says Estela Romero.

Monarch Butterfly
Elizabeth Howard

News: The Final Miles
The migration's leading edge is now moving along the Sierra Madre Oriental Mountains on the final 400 miles of the journey. Thanks to Rocio Treviño and her network of observers for sending news from this region.

Major Monarch Highway
The Sierra Madres form a chain of north/south peaks and valleys that stand in the path of the easterly winds which predominate at this time of year. As the winds strike the ridges, the butterflies get a free lift.

From the Sierra Madres came a report of monarchs moving at a rate of 60 per minute — or 1 per second — the highest rate of the season.

Nuevo Leon: "El día de hoy que se despejo logramos observar 1,286 monarcas durante 20 minutos." October 24, 2014 San Pedro Garza García, Nuevo Leon

Only 300 Miles to Go
The southernmost peak migration report came from a valley only 300 miles from the overwintering region.

Tamaulipas: "Hundreds of monarchs feeding on sunflowers in the Sierra Madre Oriental on the border between Tamaulipas and Nuevo Leon. " October 22, 2014 Juamave, Tamaulipas

A Million Monarchs
The migration is so concentrated in the Sierra Madres that monarchs go through at exceedingly high rates. This is where the most spectacular sightings are possible. You might see a million monarchs one day — and none the next — in the very same place. Dr. Bill Calvert experienced a chance encounter in 2004.

"Seeing a million butterflies passing over is kind of magical." October 17, 2004 Cumbres de Monterrey, Nuevo Leon

Monarch Butterfly
Migration Pathway
 
Monarch Butterfly in Texas Schoolyard
Reporting from Mexico
 
Major Monarch Highway
Major Monarch Highway
 
Mariposas monarca
Millions of Monarchs
News from Mexico: Letter from Estela
The first monarchs are expected any day!

"Think of the few times in the year when you impatiently await for a special day. This is exactly how we feel right now."

Monarch Butterfly
Maps: Report Your Sightings

What to Report to Track Fall Migration

Monarch Butterfly: Adult Sighted Monarch Butterfly: Egg or Larva Sighted
What to Report Adult Butterflies
map | list
Eggs and Larvae
map | list
Monarch Butterfly Migration Map: Fall Roosts, Fall 2014 Monarch Butterfly Migration Map: Peak Migration Fall 2014 How You Can Help
Fall Roosts
map | list | archives
Peak Migration
map | list
 
Journal and Activities
  • Journal: Migration Pathway in Mexico
Journal
Next Update November 6, 2014
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