Monarch Watch Blog

Archive for the ‘Monarch Migration’ Category

Monarch Population Status

19 March 2012 | Author: Chip Taylor

The size of the overwintering monarch population in Mexico is usually released in late January or February. Early reporting helps all of us plan for the season ahead. Unfortunately, for reasons that are not clear, this report wasn't released to ...

Filed under Mexico, Monarch Conservation, Monarch Migration, Monarch Population Status | 8 Comments »

Two-way Monarch Migration Map

13 May 2010 | Author: Chip Taylor

With the assistance of noted graphic artist Paul Mirocha of Tucson, Arizona we have created a two-way monarch migration map: Our goal was to produce a comprehensive map representing both the fall and spring migrations both east and west of the ...

Filed under Monarch Migration | 5 Comments »

Monarch Butterfly: Top Ten Facts

15 April 2009 | Author: Chip Taylor

Although monarchs get lots of press, news accounts and video productions often contain errors and misrepresentations that detract from the quality of the productions. The source of these errors is not clear but a quick scan of a number of ...

Filed under General, Monarch Conservation, Monarch Migration, Monarch Tagging | 3 Comments »

Monarch Watch Trip to Mexico (overview)

9 March 2009 | Author: Chip Taylor

We have just returned from our annual trip to Mexico to purchase tags recovered at the overwintering sites. This is just a brief overview of the trip - a more detailed report will be posted soon. We purchased about 1,000 tags ...

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Abies religiosa and Danaus plexippus

3 March 2009 | Author: Jim Lovett

Daniel Mosquin, Education and Technology Manager at the UBC Botanical Garden and Centre for Plant Research, recently posted some photos and video taken at the Sierra Chincua Monarch Butterfly Reserve in Mexico. If you'd like to learn a bit more ...

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World on the Move: Great Animal Migrations

1 March 2009 | Author: Chip Taylor

Last year at this time I was working with a BBC Radio crew in Mexico to record observations of the overwintering monarch population - as a part of their “World on the Move” series of programs in which they followed ...

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“Monarch River” at Cerro Pelon

21 January 2008 | Author: Jim

Last October, our tagging program was featured in an ABC World News segment ("A Nation on Monarch Watch"). This segment utilized some of my footage (shot in March, 2007) of streaming monarchs at Cerro Pelon in central Mexico. ...

Filed under Mexico, Monarch Migration | 9 Comments »

2007: Unusual Migration & Hotter Than Normal Fall

18 January 2008 | Author: Jim

Tagging has shown that the timing and pace of the migration is generally quite predictable (see "Peak Migration Dates"). The pace of the migration was normal this year as the butterflies advanced from 50 degrees latitude in the north to ...

Filed under Monarch Migration | 3 Comments »

Where Are They Now/Late Monarchs

3 December 2001 | Author: Jim

We have been told over the years that the last of the monarchs that overwinter in Mexico arrive at the colony sites during the first week of December. This may in fact be the case. However, as I ...

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Late Migrants and Population Size

2 November 2001 | Author: Jim

Although there have been killing frosts over much of the northern portion of the breeding range, late monarchs have been reported with some regularity over the past two weeks and, as recently as yesterday (1 November), two monarchs were spotted ...

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