Mexico's numbers have been released: "The monitoring report of the forest area occupied by Monarch butterflies in 2017-2018, carried out by WWF and Conanp, registered 9 colonies of butterflies that occupied 2.48 hectares of forests, an area that represents a decrease of 14.77 percent with respect to the previous season (2.91 ha). " ... See MoreSee Less
This website contains links to other independent third party websites. These third party websites are not under our control, and we are not responsible for and do not necessarily endorse their content. We are not liable for any offensive, inaccurate, or objectionable content contained on these third party sites.
Monarch overwintering site location data provided by this website is for basic navigational purposes only and is not intended to be relied upon in situations where precise location information is needed or where erroneous, inaccurate or incomplete location data may lead to personal injury, death, or property or environmental damage. Neither we, nor any of our content providers, guarantee the availability, accuracy, reliability, or timeliness of location data displayed by our website.
Participants of this citizen science project assume all responsibility for following the rules and regulations of the areas in which they are surveying, including all notices of private property and no trespassing warnings. The Xerces Society encourages all participants to follow basic common sense and safety precautions when accessing and monitoring overwintering sites. Participants are ultimately responsible for their own safety and well-being.