Monarch Watch Blog

Archive for the ‘Monarch Population Status’ Category

Monarch Population Status

30 July 2012 | Author: Chip Taylor

A year like no other... There has been no year in the 117 years of climate records for the United States that matches what we have all experienced in the last 12 months. We have been tracking how monarchs are affected ...

Filed under Monarch Migration, Monarch Population Status | 2 Comments »

Monarch Population Status

12 June 2012 | Author: Jim

What a spring it's been - the warmest in 117 years of record keeping and the warmest 12 months ever recorded in the United States. In response to the warm conditions the plants and insects have made early appearances. Some ...

Filed under Monarch Population Status, Monarch Tagging | 1 Comment »

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 »

Monarch Population Status

22 November 2011 | Author: Jim

In the last update of the eastern monarch population (late September) we noted that it would be interesting to see how monarchs cope with the lack of nectar and water in Texas. We knew that the migration would make it ...

Filed under Mexico, Monarch Population Status | 2 Comments »

Monarch Population Status

22 September 2011 | Author: Chip Taylor

The following is a brief update on the status of the eastern monarch population. The leading edge of the migration has now reached northern Texas. As many of you know, we attempt to follow the monarch population closely. Based on our ...

Filed under Monarch Population Status | 11 Comments »

Monarch Population Status

2 August 2011 | Author: Chip Taylor

Monarch Watch turns 20! We started our monarch tagging program in September of 1992 - it doesn't seem that long ago but I guess that we have been so busy that we lost track of the passing years. We began ...

Filed under Monarch Population Status | 3 Comments »

Monarch Population Status

26 April 2011 | Author: Chip Taylor

I've been monitoring the reports of returning monarchs quite closely this spring. The pattern of the return this year is similar to that seen in 2006 but more exaggerated, with more monarchs moving into the mid latitudes (35-42N) than in ...

Filed under Monarch Population Status | 5 Comments »

Monarch Population Status

10 July 2010 | Author: Chip Taylor

If you have been following the news about monarch populations over the last 8 months, you know that the 2009 overwintering monarch population in Mexico covered a forest area of only 1.92 hectares. This figure represents an all time low ...

Filed under Monarch Population Status | 6 Comments »

Monarch Population Status

12 May 2010 | Author: Chip Taylor

Abstract Monarchs are off to a good start and the population should increase modestly from now until the fall migration, assuming normal temperatures for the remainder of the breeding season. While an increase is likely, we still don’t have a good ...

Filed under Monarch Population Status | 3 Comments »

Post-Storm Status of the Monarch Colonies in Mexico

2 March 2010 | Author: Chip Taylor

In previous blog posts we have described the conditions during the breeding season that resulted in a small migratory population, provided the report from Eduardo Rendón (WWFMexico) indicating that the overwintering population was at an all time low (1.92 hectares), ...

Filed under Mexico, Monarch Population Status | 3 Comments »