Summary: A sure sign of spring in San Mateo County was once the emergence of the Bay Checkerspot Butterfly until one Spring it wasn't there. Now after a six-year absence, it has returned-- with assistance-- to Edgewood Park and Natural Preserve.
Summary: A sure sign of spring in San Mateo County was once the emergence of the Bay Checkerspot Butterfly until one Spring it wasn't there. Now after a six-year absence, it has returned-- with assistance-- to Edgewood Park and Natural Preserve.