Growing Returns

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From California to Idaho: Protecting rural pit stops on the monarch butterfly’s great migration

The eastern population of monarch butterflies overwinter in the forests of central Mexico, with the most prominent migration path following Interstate 35 from Amarillo Texas to Duluth Minnesota. (Credit: U.S. Fish and Wildlife Service)

The eastern population of monarch butterflies overwinters in the forests of central Mexico, with the most prominent migration path following Interstate 35 from Amarillo Texas to Duluth Minnesota. (Credit: U.S. Fish and Wildlife Service)

As a kid growing up in northern California, I found myself migrating to the beaches and boardwalk of Santa Cruz (along with tens of thousands of other land-locked youth) to escape the sweltering inland heat each summer.

Now, as an adult more than a decade into my conservation career, I’ve come to learn that the monarch butterfly, one of America’s most well-known and beloved insects, is drawn to the same place, only during winter.

The western population of monarch butterflies spends their winters along the California coast, seeking the temperate climate and coastal forests the area offers. This overwintering habitat extends as far North as the San Francisco Bay Area and as far South as San Diego along the U.S.-Mexico border. But the highest concentrations occur in a handful of sites in and around Santa Cruz.

A few weeks ago, I paid a visit to my old summer stomping grounds to see this iconic North American butterfly.

First stop: Natural Bridges State Park Read More »

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