Observations of butterflies on San Bruno Mountain ecological reserve. This area is topped with a four mile long ridge with lots of hiking trails. The mountain is a host for several rare and endangered butterflies. In the 1960s, a nonprofit organization called Save the Bay prevented developers ...more ↓
The Large Heath or Common Ringlet (Coenonympha tullia) is a butterfly in the family Nymphalidae. It flies in a variety of grassy habitats, including roadsides, woodland edges and clearings, prairies, bogs, and arctic and alpine taiga and tundra. It is a poor flyer, but can sometimes be found along ditches seeking new grounds. It is a holarctic species found in northern ...more ↓