University of California
Cooperative Extension Ventura County
Posts Tagged: monarch decline
A Troubling Question: Why Are the Monarchs Declining in the West?
The question is troubling: What's going on with the monarch butterfly population in the West? The...
A male monarch nectaring on Mexican sunflower (Tithonia) in Vacaville, Calif. (Photo by Kathy Keatley Garvey)
A monarch sipping nectar from its host plant, milkweed. (Photo by Kathy Keatley Garvey)