Share 'Natural Bridges Monarch Butterfly Preserve'

They fly 2,000 miles to return to their winter home.  When the temperature dips below 55, they gather in pulsating clusters, clinging to eucalyptus branches, their feet intertwined.  The day warms, and sunlight falls on a cluster.  They burst forth, a fluttering orange and black cloud. Natural Bridges State Beach, just north of Santa Cruz, is the winter home of a colony of thousands of monarch bu…