Support the Xerces Society’s monarch conservation efforts.
Photo: Monarch butterfly on milkweed (Asclepias fascicularis) by Eric Eldredge, USDA NRCS GBPMC.
Get ready to celebrate the 20th year of the Western Monarch Thanksgiving Count!
Started in 1997 by Mia Monroe, David Marriott, and Dennis Frey, the WMTC enters its 20th year this season. The count will run from Saturday November 12 through Sunday December 4 and you can sign up to monitor on the Find an Overwintering Site Near You page. Also, be sure to check out the Events page to stay updated on trainings and monarch celebrations happening up and down the coast this season.
Click here to visit our Facebook page. Recent posts below!
There's a great new group "Monarcas en el Oeste" forming in Baja and organizing people to look for overwintering monarchs this fall & winter. Connect with them by Facebook if you're interested in getting involved! ... See MoreSee Less
Mark your calendars. This year Pismo Beach is opening the 2016-17 Pismo Monarch grove on November 5 from 10am- 4pm with an event called “A Brush With the Butterflies” including art, music, food, and a raffle. Event is free and open to the public. ... 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.