2012-05-02 "On a mission for blue butterflies" from "San Francisco Chronicle"
A group of scientists from San Francisco and San Mateo counties scaled San Bruno Mountain on Tuesday to collect endangered Mission Blue butterflies that later would be released on Twin Peaks in San Francisco.
One of the lovely little Mission Blues rests in the sun at San Bruno State Park in San Mateo County.
Stu Weiss climbs a steep ridge at San Bruno Mountain State Park on Tuesday as he searches for Mission Blue Butterflies. San Francisco Parks and Recreation, along with San Mateo County Parks and Creekside Science Center for Earth Observation scaled San Bruno Mountain on Tuesday to collect the endangered Mission Blue Butterfly to release them at Twin Peaks in San Francisco. Photo: Kevin Johnson / The Chronicle