Western bluebird
Sialia mexicana
CA Special Concern
California Species of Special Concern
Brilliant blue male, rusty-orange chest; gray female. Native Bay Area cavity nester; insectivore controlling grasshoppers and beetles in gardens and grasslands.
Plants that support Western bluebird
4 plants
Hollyleaf Buckthorn
Rhamnus crocea
shrub
Important fruit source during fall migration and winter staging
Bay Area native
Pacific Poison Oak
Toxicodendron diversilobum
shrub
Critical fall migration fuel source August-October
Bay Area native
Toyon
Heteromeles arbutifolia
tree
Seasonal visitor and resident, berries support fall/winter diet Sep-Feb
Bay Area native
Utah Serviceberry
Amelanchier utahensis
shrub
Fall and winter diet staple; supports flocking behavior Aug-Feb
Bay Area nativeKeystone species