Monarch butterfly populations in California’s coastal overwintering sites showed a slight — and surprising — rebound in 2013 after more than a decade of dwindling numbers.
Exploring Nature in the San Francisco Bay Area
Monarch butterfly populations in California’s coastal overwintering sites showed a slight — and surprising — rebound in 2013 after more than a decade of dwindling numbers.
Independent, nonprofit environmental journalism connecting people with nature in the San Francisco Bay Area.
