California Sister

Oak woodlands, mixed evergreen forests, and foothills, typically near oak trees.

Adults feed on oak sap, rotting fruit, and moisture from damp ground; caterpillars feed primarily on oak leaves (Quercus species).

Known for a gliding flight pattern; males are often territorial and can be seen perching on branches or 'puddling' on damp soil to intake minerals.

Harmless to humans; serves as an important pollinator and a key component of the local ecosystem as both prey and consumer.