University of California
UCCE Sonoma County
Posts Tagged: Western monarch population
A Memorable Year for the Western Monarchs
It's definitely going to be quite a memorable year for the Western monarch butterflies--memorable as in "record low populations at the overwintering sites along the California coast." Matthew Shepherd, director of communications and outreach at the Xerces Society for Invertebrate...
Monarchs overwintering in the Natural Bridges State Park, Santa Cruz, in 2016. (Photo by Kathy Keatley Garvey)
A male monarch nectaring on Mexican sunflower, Tithonia, in Vacaville, Calif. (Photo by Kathy Keatley Garvey)