Western Monarch Count Announcements
Stay up to date on the latest news and happenings in the Western Monarch world.
Western Monarch Numbers Remain at Historic Lows
Media Contacts: Isis Howard, Conservation Biologist, Xerces Society; 503-212-0546; [email protected] Cuadra-Vargas, Conservation Biologist, Xerces Society; 562-625-0005; [email protected] Emma Pelton, Senior Conservation Biologist, Xerces Society; 503-212-0706; [email protected]: [email protected]: [email protected]: [email protected] Español: https://xerces.org/press/el-numero-de-mariposas-monarca-occidentales-se-mantiene-en-un-minimo-historicoLINK: Https://xerces.org/press/el-numero-de-mariposas-monarca-occidentales-se-mantiene-en-un-minimo-historicoXerces Press Release: https://xerces.org/press/western-monarch-numbers-remain-at-historic-lowLINK:…
Western Monarch Numbers Remain at Historic Lows : Read MoreMid-Season Western Monarch Count Tally Reaches 8,000
Conservation professionals and community scientists are teaming up to document overwintering monarchs along California’s coast.Western monarchs are settling in for the winter along the California coast, though 2025 is shaping…
Mid-Season Western Monarch Count Tally Reaches 8,000 : Read MoreWestern Monarchs Are Returning to California: Early-Season Count Documents Several Thousand So Far
Monarchs gather at Lighthouse Field overwintering site in mid-October, 2025. Photo by Diana Magor.
Monarch butterflies are fluttering back to California’s coast, and volunteers across the West have been busy surveying overwintering sites for the 2025 Western Monarch Count (WMC)! Early reports estimate approximately…
Western Monarchs Are Returning to California: Early-Season Count Documents Several Thousand So Far : Read MoreWestern Monarchs Experience Average Winter Declines at Overwintering Sites
LINK: Western Monarch CountLINK: (Read the full article–with photos–at Xerces.org)LINK: Bounced back in 2021LINK: Complete data is availableLINK: Native milkweedLINK: Nectar plantsLINK: Habitat Kit programLINK: Submit a public commentLINK: PesticidesLINK:…
Western Monarchs Experience Average Winter Declines at Overwintering Sites : Read MoreWestern Monarch Butterfly Population Declines to Near Record Low
LINK: Leer en EspañolLINK: Watch the announcement webinar here. LINK: Western Monarch CountLINK: Proposed for protection under the U.S. Endangered Species ActSanta Cruz hosts largest number of butterfliesFederal policy changes could…
Western Monarch Butterfly Population Declines to Near Record Low : Read MoreMid-season Western Monarch Count set to be second lowest tally since 1997
LINK: Western Monarch Count (WMC) LINK: View data from past years here)LINK: Monarch overwintering sitesLINK: Early-seasonLINK: WesternMonarchCount.orgNotice: Below is a list of 5 important links included on this page.1. Western Monarch…
Mid-season Western Monarch Count set to be second lowest tally since 1997 : Read MoreMonarch Butterflies Have Been Proposed for ESA Protection. What Does This Mean?
By Deborah Seiler and Emma Pelton on 10. December 2024The U.S. Fish and Wildlife Service has proposed to list the monarch butterfly as a threatened species under the U.S. Endangered…
Monarch Butterflies Have Been Proposed for ESA Protection. What Does This Mean? : Read MoreEarly monitoring in California reveals a low overwintering population (Fall 2024)
The annual Western Monarch Count (WMC), led by the Xerces Society and count co-founder Mia Monroe, is underway with the mid-season count beginning tomorrow, Saturday, November 16. The inaugural early-season count at…
Early monitoring in California reveals a low overwintering population (Fall 2024) : Read MoreWestern Monarch Count Tallies 233,394 Butterflies
Population tally is lower than last year, similar to 2021LINK: Western Monarch CountLINK: Read the full blog hereNotice: Below is a list of 2 important links included on this page.1.…
Western Monarch Count Tallies 233,394 Butterflies : Read More