California Sister

Natural Habitat

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

Diet & Feeding

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

Behavior Patterns

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.

Risks & Benefits

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

Identified on: 5/23/2026