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  1. Publications
  2. Monarch Butterfly
  • Forest Degradation in the Core Zone of the Monarch Butterfly Biosphere Reserve (2020-2021) Brochure

    Forest Degradation in the Core Zone of the Monarch Butterfly Biosphere Reserve (2020-2021) (, )

    July 27, 2022
    more info
  • Forest Degradation in the Core Zone of the Monarch Butterfly Biosphere Reserve 2015-2016 Brochure

    Forest Degradation in the Core Zone of the Monarch Butterfly Biosphere Reserve 2015-2016 (application/pdf, 726 KB)

    August 23, 2016

    Extreme weather events are adding a new, ominous threat to the monarch butterflies’ key wintering habitat in Mexico, according to a report by the WWF-Telmex-Telcel Alliance, the National Commission of Natural Protected Areas, and the Institute of Biology of the National Autonomous University of Mexico.

    more info
  • Monarch Butterfly: WWF Wildlife and Climate Change Series Brochure

    Monarch Butterfly: WWF Wildlife and Climate Change Series (application/pdf, 1.63 MB)

    December 10, 2015

    Monarch butterflies are highly sensitive to weather and climate, however, they also have a high capacity to adapt to longer term changes in climate. Explore this and other traits which make monarch butterflies vulnerable to climate change, as well as recommended climate-adaptive management strategies.

    more info
  • Forest Surface Area Occupied by Monarch Butterfly Hibernation Colonies in December 2014 (application/pdf, 556 KB)

    January 27, 2015

    A new survey of migratory monarchs at their wintering habitat shows a 69% increase in the area they occupied this winter in relation to last year’s winter. Yet this is still the second smallest area occupied by these butterflies in Mexican sanctuaries since 1993.

     

    more info
  • Forest Surface Occupied by Monarch Butterfly Hibernation Colonies in December 2013 Brochure

    Forest Surface Occupied by Monarch Butterfly Hibernation Colonies in December 2013 (application/vnd.openxmlformats-officedocument.wordprocessingml.document, 1.04 MB)

    January 29, 2014

    The monarch butterfly population in Mexico was the lowest ever since 1993 (the year scientists started to monitor monarch butterfly colonies), according to research just released by the WWF-Telcel Alliance and the Monarch Butterfly Biosphere Reserve Office of the Mexican government.

    more info
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