PORTLAND, Ore., January 23, 2020—The Xerces Society today announced that the number of monarch butterflies overwintering in California remains at critical levels for the second year. The monarch population during the 2018–19 winter was an all-time low. Unfortunately, this year’s …
Western monarch butterfly population still at critical level Read More »
The annual Western Monarch Thanksgiving Count (WMTC) kicks off this coming weekend on Saturday, November 16 and will continue through Sunday, December 8. Thank you for being a part of this incredibly important community science program. This remarkable volunteer effort …
Western Monarch Thanksgiving Count Nov. 16 – Dec. 8 Read More »
By Candace Fallon and Emma Pelton on 6 November 2019 Together, these publications contribute to our growing understanding of how human actions can hurt—or help—monarchs. Joan Mosenthal DeWind was an early member of the Xerces Society and a keen supporter …
DeWind Alumnae Publish Three New Research Papers about Monarch Butterflies Read More »
Saturday, November 30, 2019 10:00 AM – 3:00 PM Pacific Grove Museum of Natural History “Celebrate the return of Pacific Grove’s monarch butterfly population during Magnificent Monarchs on Saturday, November 30th, from 10 a.m to 3 p.m. at the Museum. …
Science Saturday – Magnificent Monarchs – Pacific Grove Museum of Natural History Read More »
By Stephanie McKnight and Emma Pelton on 21 October 2019 Updates on a multi-year collaborative research project tracking the imperiled western monarch population. After the sudden and shocking crash in the number of monarchs overwintering in California during the winter …
Location: Rob Hill Campground, Presidio of San Francisco Date: Saturday, November 30, 2019 Time: 10am-12pm Registration and website: https://www.presidio.gov/events/fourth-annual-monarch-butterflies-walk-learn 10 to 10:30 am Warm up activity, monarch experts, information and artifacts 10:30 to Noon Presentation & Walk Rob Hill Campground …
Fourth Annual Monarch Butterflies Walk & Learn – The Presidio Read More »
Location: Natural Bridges State Beach Date(s): October 16th & 19th Learn how to share monarchs with others! Docent training class Fall 2019, October 16th & 19th. Classes: Sat 12-4 pm & Wed eve 6-9 pm. For applications contact Natural Bridges …
Monarch Docent Training – Natural Bridges State Beach Read More »
Location: Natural Bridges State Beach Date: Recurring event daily on -October 19, 20, 26, 27 -November 2, 3, 9, 10, 16, 17, 23, 24, 30 -December 1, 7, 8, 14, 15, 21, 22, 28, 29 Time: 11am-12pm & 2pm-3pm For …
Monarch Butterfly Tours – Natural Bridges State Beach Read More »
Location: In and around Bolinas Trip Leader(s): Juan Garcia & Mia Monroe Start Date: Saturday, November 23, 2019 Start Time: 8:30 AM End Time: 2:30 PM Description: The Pacific edge of Southern Marin County hosts rich habitats for landbirds, shorebirds, …
Birds & Butterflies in Bolinas with the Marin Audubon Society Read More »
Monarch Butterfly Monitoring Training Location: San Leandro Public Library: Mulford-Marina Branch, San Leandro, CA Date: November 2, 2019. 9am-12:30pm Led by: Susan Ramos and Mia Monroe Registration for this training is required. To register and get more information visit the …
Monarch Butterfly Monitoring Training – San Leandro Read More »
The Western Monarch Count is a community science program through the Xerces Society for Invertebrate Conservation. You can read more about it here.
Butterfly wing image by and (c)2008 Derek Ramsey (Ram-Man), licensed under the GNU Free Documentation License 1.2
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 community 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.
